KSDS to Sequential File
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COBOL, Sequential Add KSDS to Sequential File |
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Introduction
This is an example of how a COBOL program can read from a VSAM Keyed-Sequential-Data-Set and write to a record sequential file using sequential processing techniques. The COBOL source code was generated using SimoTime technologies. Refer to the "Downloads and Links to Similar Pages" section of this document for additional information.
In the world of programming there are many ways to solve a problem. This program is provided as a COBOL example of one of the possible solutions to the problem of changing the contents and structure of data files.
We have made a significant effort to ensure the documents and software technologies are correct and accurate. We reserve the right to make changes without notice at any time. The function delivered in this version is based upon the enhancement requests from a specific group of users. The intent is to provide changes as the need arises and in a timeframe that is dependent upon the availability of resources.
Copyright © 1987-2025
SimoTime Technologies and Services
All Rights Reserved
EBCDIC, KSDS to Sequential
This program will read from a VSAM Keyed-Sequential-Data-Set and write to an record sequential file.
Note: Since this conversion task is only doing a file-format conversion and the record content is not processed but simply copied then the encoding schema of the records is not a consideration. The records may be EBCDIC, ASCII or BINARY and they will be copied without being changed.
The Process Control File
The following Process Control File (KSDSEQ01.pcf) contains the specifications for generating a COBOL program that will do a file format conversion by doing a copy of a VSAM, KSDS to a Record Sequential file.
*********************************************************************** * KSDSEQ01.pcf - a Process Control File for Numeric Totals * * (C) Copyright 1987-2019 All Rights Reserved * * Web Site URL: http://www.simotime.com * * e-mail: helpdesk@simotime.com * *********************************************************************** * SYSUT1 is a VSAM, KSDS, 512-byte Customer File. * SYSUT2 is a Record Sequential, 512-byte, fixed-field format for * the Customer Master file. *********************************************************************** * &SIMOPREP call ..\..\ENV1BASE &USERPREP call USERCONV &CONFORM IBM &DIALECT C2 *HEAD34 ....:....1....:....2....:....3.... &HEAD34 Convert KSDS-512 to RSEQ-512 &IOMODNAME KSDSEQC1 &SYSUT1 name=DX512KSD org=Indexed recfm=VARIABLE rmin=12 rmax=512 kpos=1 klen=12 &SYSUT2 name=DX512SEQ org=Sequential recfm=FIXED rlen=512 &TransCOPY from pos 1 len 512 to pos 1 len 512 * &END
CMD, Generate COBOL Source Code
The following is the content of the (KSDSEQX1.cmd) file that was used to create the COBOL source code. This process uses the SimoZAPS utility program to do the actual program generation.
@echo OFF
rem * *******************************************************************
rem * KSDSEQX1.cmd - a Windows Command File *
rem * This program is provided by SimoTime Technologies *
rem * (C) Copyright 1987-2019 All Rights Reserved *
rem * Web Site URL: http://www.simotime.com *
rem * e-mail: helpdesk@simotime.com *
rem * *******************************************************************
echo *
echo * This process will read the KSASQE01.pcf file and create the
echo * KSATXAC1.CBL file using the SYSMASK1.TXT as a mask.
echo * The KSASQE01.pcf file is expected to contains the specifications
echo * for reading an INDEXED, 512-byte maximum record length, variable,
echo * ASCII file with the key position at 1 for a key length of 12 and
echo * creating a TEXT, 512-byte, variable, ASCII/Text file.
echo *
echo * KSASQEX1 Starting the GENERATE function of SimoZAPS
set CmdName=KSDSEQX1
rem * Set the Environment for the System Level
call ../ENV1BASE
cd %BASELIB1%\CONVERTS
rem * Set the Environment that is unique to the File Convert Process
call USERCONV
set MEMBERNAME=KSDSEQ01
call SimoNOTE "***********************************************************************%CmdName%"
call SimoNOTE "Starting %CmdName% Environment, RC=%ConvertStatus%, PGM=%MEMBERNAME%"
set ConvertStatus=0000
set UTCONVD1=%UTGENGET%\%MEMBERNAME%.pcf
set UTCONVD2=%UTGENGET%\%MEMBERNAME%genr.CMD
set UTCONVD3=%UTGENGET%\%MEMBERNAME%spec.TXT
if exist %UTCONVD2% erase %UTCONVD2%
if exist %UTCONVD3% erase %UTCONVD3%
call SimoNOTE "*---------------------------------------------------------------------*"
call SimoNOTE "Starting %CmdName% Pre-Edit, RC=%ConvertStatus%, PGM=%MEMBERNAME%"
run UTCONVRT
if not "%ERRORLEVEL%" == "0" set ConvertStatus=0010
if not "%ConvertStatus%" == "0000" goto :ConvertEojNOK
rem *
rem * ************************************************************************
:ConvertEojAOK
call SimoNOTE "*---------------------------------------------------------------------*"
call SimoNOTE "Starting %CmdName% Generation, RC=%ConvertStatus%, PGM=%MEMBERNAME%"
call %MEMBERNAME%genr
if not "%ERRORLEVEL%" == "0" set ConvertStatus=0020
if not "%ConvertStatus%" == "0000" goto :ConvertEojNOK
call SimoNOTE "Complete %CmdName%, RC=%ConvertStatus%, PGM=%MEMBERNAME%"
goto :End
rem *
rem * ************************************************************************
:ConvertEojNOK
set JobStatus=%ConvertStatus%
call SimoNOTE "ABENDING %CmdName%, RC=%ConvertStatus%, PGM=%MEMBERNAME%, !!!ABENDING!!!"
echo %MEMBERNAME% - Error during Compile, refer to %BaseLib1%\LIST\%1.LST>%BaseLib1%\LOGS\%MEMBERNAME%.ERR
goto :End
rem *
rem * ************************************************************************
:End
pause
The Generated COBOL Source Code
The following member (KSDSEQC1.cbl) is the generated COBOL source code that will do a file format conversion by reading an Indexed file and writing to a Sequential file.
IDENTIFICATION DIVISION.
PROGRAM-ID. KSDSEQC1.
AUTHOR. SIMOTIME TECHNOLOGIES.
*****************************************************************
* This program was generated by SimoZAPS *
* A product of SimoTime Technologies *
* Our e-mail address is: helpdesk@simotime.com *
* Also, visit our Web Site at http://www.simotime.com *
* *
* Generation Date: 2012-06-12 Generation Time: 23:35:40:34 *
* *
* Record Record Key *
* Function Name Organization Format Max-Min Pos-Len *
* INPUT DX512KSD INDEXED VARIABLE 00512 00001 *
* 00012 00012 *
* OUTPUT DX512SEQ SEQUENTIAL FIXED 00512 *
* *
* *
*****************************************************************
ENVIRONMENT DIVISION.
INPUT-OUTPUT SECTION.
FILE-CONTROL.
SELECT DX512KSD-FILE ASSIGN TO DX512KSD
ORGANIZATION IS INDEXED
ACCESS MODE IS SEQUENTIAL
RECORD KEY IS DX512KSD-PKEY-00001-00012
FILE STATUS IS DX512KSD-STATUS.
SELECT DX512SEQ-FILE ASSIGN TO DX512SEQ
ORGANIZATION IS SEQUENTIAL
ACCESS MODE IS SEQUENTIAL
FILE STATUS IS DX512SEQ-STATUS.
*****************************************************************
DATA DIVISION.
FILE SECTION.
FD DX512KSD-FILE
DATA RECORD IS DX512KSD-REC
.
01 DX512KSD-REC.
05 DX512KSD-PKEY-00001-00012 PIC X(00012).
05 DX512KSD-DATA-00013-00500 PIC X(00500).
FD DX512SEQ-FILE
DATA RECORD IS DX512SEQ-REC
.
01 DX512SEQ-REC.
05 DX512SEQ-DATA-01 PIC X(00512).
*****************************************************************
* This program was created with the SYSMASK1.TXT file as input. *
* The SYSMASK1 provides for the sequential reading of the input *
* file and the sequential writing of the output file. *
* *
* If the output file is indexed then the input file must be in *
* sequence by the field that will be used to provide the key *
* for the output file. This is a sequential load process. *
* *
* If the key field is not in sequence then refer to SYSMASK2 *
* to provide for a random add or update of the indexed file. *
* *
* This program mask will have the ASCII/EBCDIC table inserted *
* for use by the /TRANSLATE function of SimoZAPS. *
* *
* For additional information contact SimoTime Technologies. *
* Our e-mail address is: helpdesk@simotime.com *
* Also, visit our Web Site at http://www.simotime.com *
*****************************************************************
WORKING-STORAGE SECTION.
01 SIM-TITLE.
05 T1 pic X(11) value '* KSDSEQC1 '.
05 T2 pic X(34) value 'Convert CUSKSD-512 to CUSSEQ-512 '.
05 T3 pic X(10) value ' v12.04.05'.
05 T4 pic X(24) value ' helpdesk@simotime.com'.
01 SIM-COPYRIGHT.
05 C1 pic X(11) value '* KSDSEQC1 '.
05 C2 pic X(32) value 'This Data File Convert Member wa'.
05 C3 pic X(32) value 's generated by SimoTime Technolo'.
05 C4 pic X(04) value 'gies'.
01 DX512KSD-STATUS.
05 DX512KSD-STATUS-L pic X.
05 DX512KSD-STATUS-R pic X.
01 DX512KSD-EOF pic X value 'N'.
01 DX512KSD-OPEN-FLAG pic X value 'C'.
01 DX512SEQ-STATUS.
05 DX512SEQ-STATUS-L pic X.
05 DX512SEQ-STATUS-R pic X.
01 DX512SEQ-EOF pic X value 'N'.
01 DX512SEQ-OPEN-FLAG pic X value 'C'.
01 DX512KSD-LRECL pic 9(5) value 00512.
01 DX512SEQ-LRECL pic 9(5) value 00512.
01 DX512KSD-LRECL-MAX pic 9(5) value 00512.
*****************************************************************
* The following buffers are used to create a four-byte status *
* code that may be displayed. *
*****************************************************************
01 IO-STATUS.
05 IO-STAT1 pic X.
05 IO-STAT2 pic X.
01 IO-STATUS-04.
05 IO-STATUS-0401 pic 9 value 0.
05 IO-STATUS-0403 pic 999 value 0.
01 TWO-BYTES-BINARY pic 9(4) BINARY.
01 TWO-BYTES-ALPHA redefines TWO-BYTES-BINARY.
05 TWO-BYTES-LEFT pic X.
05 TWO-BYTES-RIGHT pic X.
*****************************************************************
* Message Buffer used by the Z-DISPLAY-MESSAGE-TEXT routine. *
*****************************************************************
01 MESSAGE-BUFFER.
05 MESSAGE-HEADER pic X(11) value '* KSDSEQC1 '.
05 MESSAGE-TEXT.
10 MESSAGE-TEXT-1 pic X(68) value SPACES.
10 MESSAGE-TEXT-2 pic X(188) value SPACES.
*****************************************************************
01 PROGRAM-NAME pic X(8) value 'KSDSEQC1'.
01 INFO-STATEMENT.
05 INFO-SHORT.
10 INFO-ID pic X(8) value 'Starting'.
10 filler pic X(2) value ', '.
10 filler pic X(34)
value 'Convert CUSKSD-512 to CUSSEQ-512 '.
05 filler pic X(24)
value ' http://www.SimoTime.com'.
01 APPL-RESULT pic S9(9) comp.
88 APPL-AOK value 0.
88 APPL-EOF value 16.
01 DX512KSD-TOTAL.
05 DX512KSD-RDR pic 9(9) value 0.
05 filler pic X(3) value ' - '.
05 filler pic X(23) value 'Line count for DX512KSD'.
01 DX512SEQ-TOTAL.
05 DX512SEQ-ADD pic 9(9) value 0.
05 filler pic X(3) value ' - '.
05 filler pic X(23) value 'Line count for DX512SEQ'.
*****************************************************************
PROCEDURE DIVISION.
move all '*' to MESSAGE-TEXT-1
perform Z-DISPLAY-MESSAGE-TEXT
move INFO-STATEMENT to MESSAGE-TEXT-1
perform Z-DISPLAY-MESSAGE-TEXT
move all '*' to MESSAGE-TEXT-1
perform Z-DISPLAY-MESSAGE-TEXT
perform Z-POST-COPYRIGHT
perform DX512KSD-OPEN
perform DX512SEQ-OPEN
perform until DX512KSD-STATUS not = '00'
perform DX512KSD-READ
if DX512KSD-STATUS = '00'
add 1 to DX512KSD-RDR
perform BUILD-OUTPUT-RECORD
perform DX512SEQ-WRITE
if DX512SEQ-STATUS = '00'
add 1 to DX512SEQ-ADD
end-if
end-if
end-perform
move DX512KSD-TOTAL to MESSAGE-TEXT
perform Z-DISPLAY-MESSAGE-TEXT
move DX512SEQ-TOTAL to MESSAGE-TEXT
perform Z-DISPLAY-MESSAGE-TEXT
if APPL-EOF
move 'Complete' to INFO-ID
else
move 'ABENDING' to INFO-ID
end-if
move INFO-STATEMENT to MESSAGE-TEXT(1:79)
perform Z-DISPLAY-MESSAGE-TEXT
perform DX512SEQ-CLOSE
perform DX512KSD-CLOSE
GOBACK.
*****************************************************************
BUILD-OUTPUT-RECORD.
* TransCOPY...
move DX512KSD-REC(00001:00512) to DX512SEQ-REC(00001:00512)
exit.
*****************************************************************
* I/O Routines for the INPUT File... *
*****************************************************************
DX512KSD-CLOSE.
add 8 to ZERO giving APPL-RESULT.
close DX512KSD-FILE
if DX512KSD-STATUS = '00'
subtract APPL-RESULT from APPL-RESULT
else
add 12 to ZERO giving APPL-RESULT
end-if
if APPL-AOK
CONTINUE
else
move 'CLOSE Failure with DX512KSD' to MESSAGE-TEXT
perform Z-DISPLAY-MESSAGE-TEXT
move DX512KSD-STATUS to IO-STATUS
perform Z-DISPLAY-IO-STATUS
perform Z-ABEND-PROGRAM
end-if
exit.
*---------------------------------------------------------------*
DX512KSD-READ.
read DX512KSD-FILE
if DX512KSD-STATUS = '00'
subtract APPL-RESULT from APPL-RESULT
else
if DX512KSD-STATUS = '10'
add 16 to ZERO giving APPL-RESULT
else
add 12 to ZERO giving APPL-RESULT
end-if
end-if
if APPL-AOK
CONTINUE
else
if APPL-EOF
move 'Y' to DX512KSD-EOF
else
move 'READ Failure with DX512KSD' to MESSAGE-TEXT
perform Z-DISPLAY-MESSAGE-TEXT
move DX512KSD-STATUS to IO-STATUS
perform Z-DISPLAY-IO-STATUS
perform Z-ABEND-PROGRAM
end-if
end-if
exit.
*---------------------------------------------------------------*
DX512KSD-OPEN.
add 8 to ZERO giving APPL-RESULT.
open input DX512KSD-FILE
if DX512KSD-STATUS = '00'
subtract APPL-RESULT from APPL-RESULT
move 'O' to DX512KSD-OPEN-FLAG
else
add 12 to ZERO giving APPL-RESULT
end-if
if APPL-AOK
CONTINUE
else
move 'OPEN Failure with DX512KSD' to MESSAGE-TEXT
perform Z-DISPLAY-MESSAGE-TEXT
move DX512KSD-STATUS to IO-STATUS
perform Z-DISPLAY-IO-STATUS
perform Z-ABEND-PROGRAM
end-if
exit.
*****************************************************************
* I/O Routines for the OUTPUT File... *
*****************************************************************
DX512SEQ-WRITE.
if DX512SEQ-OPEN-FLAG = 'C'
perform DX512SEQ-OPEN
end-if
write DX512SEQ-REC
if DX512SEQ-STATUS = '00'
subtract APPL-RESULT from APPL-RESULT
else
if DX512SEQ-STATUS = '10'
add 16 to ZERO giving APPL-RESULT
else
add 12 to ZERO giving APPL-RESULT
end-if
end-if.
if APPL-AOK
CONTINUE
else
move 'WRITE Failure with DX512SEQ' to MESSAGE-TEXT
perform Z-DISPLAY-MESSAGE-TEXT
move DX512SEQ-STATUS to IO-STATUS
perform Z-DISPLAY-IO-STATUS
perform Z-ABEND-PROGRAM
end-if
exit.
*---------------------------------------------------------------*
DX512SEQ-OPEN.
add 8 to ZERO giving APPL-RESULT.
open OUTPUT DX512SEQ-FILE
if DX512SEQ-STATUS = '00'
subtract APPL-RESULT from APPL-RESULT
move 'O' to DX512SEQ-OPEN-FLAG
else
add 12 to ZERO giving APPL-RESULT
end-if
if APPL-AOK
CONTINUE
else
move 'OPEN Failure with DX512SEQ' to MESSAGE-TEXT
perform Z-DISPLAY-MESSAGE-TEXT
move DX512SEQ-STATUS to IO-STATUS
perform Z-DISPLAY-IO-STATUS
perform Z-ABEND-PROGRAM
end-if
exit.
*---------------------------------------------------------------*
DX512SEQ-CLOSE.
add 8 to ZERO giving APPL-RESULT.
close DX512SEQ-FILE
if DX512SEQ-STATUS = '00'
subtract APPL-RESULT from APPL-RESULT
move 'C' to DX512SEQ-OPEN-FLAG
else
add 12 to ZERO giving APPL-RESULT
end-if
if APPL-AOK
CONTINUE
else
move 'CLOSE Failure with DX512SEQ' to MESSAGE-TEXT
perform Z-DISPLAY-MESSAGE-TEXT
move DX512SEQ-STATUS to IO-STATUS
perform Z-DISPLAY-IO-STATUS
perform Z-ABEND-PROGRAM
end-if
exit.
*****************************************************************
* The following Z-ROUTINES provide administrative functions *
* for this program. *
*****************************************************************
* ABEND the program, post a message to the console and issue *
* a STOP RUN. *
*****************************************************************
Z-ABEND-PROGRAM.
if MESSAGE-TEXT not = SPACES
perform Z-DISPLAY-MESSAGE-TEXT
end-if
move 'PROGRAM-IS-ABENDING...' to MESSAGE-TEXT
perform Z-DISPLAY-MESSAGE-TEXT
add 12 to ZERO giving RETURN-CODE
STOP RUN.
* exit.
*****************************************************************
* Display CONSOLE messages... *
*****************************************************************
Z-DISPLAY-MESSAGE-TEXT.
if MESSAGE-TEXT-2 = SPACES
display MESSAGE-BUFFER(1:79)
else
display MESSAGE-BUFFER
end-if
move all SPACES to MESSAGE-TEXT
exit.
*****************************************************************
* Display the file status bytes. This routine will display as *
* four digits. If the full two byte file status is numeric it *
* will display as 00nn. If the 1st byte is a numeric nine (9) *
* the second byte will be treated as a binary number and will *
* display as 9nnn. *
*****************************************************************
Z-DISPLAY-IO-STATUS.
if IO-STATUS not NUMERIC
or IO-STAT1 = '9'
move IO-STAT1 to IO-STATUS-04(1:1)
subtract TWO-BYTES-BINARY from TWO-BYTES-BINARY
move IO-STAT2 to TWO-BYTES-RIGHT
add TWO-BYTES-BINARY to ZERO giving IO-STATUS-0403
move 'File Status is: nnnn' to MESSAGE-TEXT
move IO-STATUS-04 to MESSAGE-TEXT(17:4)
perform Z-DISPLAY-MESSAGE-TEXT
else
move '0000' to IO-STATUS-04
move IO-STATUS to IO-STATUS-04(3:2)
move 'File Status is: nnnn' to MESSAGE-TEXT
move IO-STATUS-04 to MESSAGE-TEXT(17:4)
perform Z-DISPLAY-MESSAGE-TEXT
end-if
exit.
*****************************************************************
Z-POST-COPYRIGHT.
display SIM-TITLE
display SIM-COPYRIGHT
exit.
*****************************************************************
* This program was generated by SimoZAPS *
* A product of SimoTime Technologies *
* Our e-mail address is: helpdesk@simotime.com *
* Also, visit our Web Site at http://www.simotime.com *
* *
* Generation Date: 2012-06-12 Generation Time: 23:35:40:35 *
*****************************************************************
Summary
This is an example of how a COBOL program can read from a VSAM Keyed-Sequential-Data-Set and write to a record sequential file using sequential processing techniques. This document may be used to assist as a tutorial for new programmers or as a quick reference for experienced programmers.
In the world of programming there are many ways to solve a problem. This documentation and software were developed and tested on systems that are configured for a SIMOTIME environment based on the hardware, operating systems, user requirements and security requirements. Therefore, adjustments may be needed to execute the jobs and programs when transferred to a system of a different architecture or configuration.
SIMOTIME Services has experience in moving or sharing data or application processing across a variety of systems. For additional information about SIMOTIME Services or Technologies please contact us using the information in the Contact or Feedback section of this document.
Software Agreement and Disclaimer
Permission to use, copy, modify and distribute this software, documentation or training material for any purpose requires a fee to be paid to SimoTime Technologies. Once the fee is received by SimoTime the latest version of the software, documentation or training material will be delivered and a license will be granted for use within an enterprise, provided the SimoTime copyright notice appear on all copies of the software. The SimoTime name or Logo may not be used in any advertising or publicity pertaining to the use of the software without the written permission of SimoTime Technologies.
SimoTime Technologies makes no warranty or representations about the suitability of the software, documentation or learning material for any purpose. It is provided "AS IS" without any expressed or implied warranty, including the implied warranties of merchantability, fitness for a particular purpose and non-infringement. SimoTime Technologies shall not be liable for any direct, indirect, special or consequential damages resulting from the loss of use, data or projects, whether in an action of contract or tort, arising out of or in connection with the use or performance of this software, documentation or training material.
Downloads and Links
This section includes links to documents with additional information that are beyond the scope and purpose of this document. The first group of documents may be available from a local system or via an internet connection, the second group of documents will require an internet connection.
Note: A SimoTime License is required for the items to be made available on a local system or server.
Current Server or Internet Access
The following links may be to the current server or to the Internet.
Explore the Principles of Data File Conversion. This link includes guidelines for defining requirements and determining the scope of effort for a data conversion effort.
Explore How to Generate a Data File Convert Program using simple specification statements in a Process Control File (PCF). This link to the User Guide includes the information necessary to create a Process Control File and generate the COBOL programs that will do the actual data file conversion. The User Guide contains a list of the PCF statements that are used for the data file convert process.
Explore The ASCII and EBCDIC Translation Tables. These tables are provided for individuals that need to better understand the bit structures and differences of the encoding formats.
Explore The File Status Return Codes that are used to interpret the results of accessing VSAM data sets and/or QSAM files.
Internet Access Required
The following links will require an internet connect.
This suite of programs and documentation is available for download. Link to an Evaluation zPAK Option that includes the program members, documentation and control files.
A good place to start is The SimoTime Home Page for access to white papers, program examples and product information. This link requires an Internet Connection
Explore The Micro Focus Web Site for more information about products (including Micro Focus COBOL) and services available from Micro Focus. This link requires an Internet Connection.
Glossary of Terms
Explore the Glossary of Terms for a list of terms and definitions used in this suite of documents and white papers.
Contact or Feedback
This document was created and is maintained by SimoTime Technologies. If you have any questions, suggestions, comments or feedback please use the following contact information.
| 1. | Send an e-mail to our helpdesk. |
| 1.1. | helpdesk@simotime.com. |
| 2. | Our telephone numbers are as follows. |
| 2.1. | 1 415 763-9430 office-helpdesk |
| 2.2. | 1 415 827-7045 mobile |
We appreciate hearing from you.
Company Overview
SimoTime Technologies was founded in 1987 and is a privately owned company. We specialize in the creation and deployment of business applications using new or existing technologies and services. We have a team of individuals that understand the broad range of technologies being used in today's environments. Our customers include small businesses using Internet technologies to corporations using very large mainframe systems.
Quite often, to reach larger markets or provide a higher level of service to existing customers it requires the newer Internet technologies to work in a complementary manner with existing corporate mainframe systems. We specialize in preparing applications and the associated data that are currently residing on a single platform to be distributed across a variety of platforms.
Preparing the application programs will require the transfer of source members that will be compiled and deployed on the target platform. The data will need to be transferred between the systems and may need to be converted and validated at various stages within the process. SimoTime has the technology, services and experience to assist in the application and data management tasks involved with doing business in a multi-system environment.
Whether you want to use the Internet to expand into new market segments or as a delivery vehicle for existing business functions simply give us a call or check the web site at http://www.simotime.com
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| Copyright © 1987-2025 SimoTime Technologies and Services All Rights Reserved |
| When technology complements business |
| http://www.simotime.com |