Transaction Dynamics

Sincere cooperation, mutual benefit, and shared progress.

Home page

Application Cases

2021

Zhongxin Chuangwei provides clock synchronization equipment to Zhenhai Refining & Chemical.

Recently ， Zhenhai Refining & Chemical issued a requirement for a time server. Beijing Zhongxin Chuang promptly collaborated to develop a detailed solution and recommended its self‑developed and manufactured DNTS‑8 time server as the bid‑winning product. Following a fiercely competitive bidding process, Zhongxin Chuang stood out by offering high‑quality products and comprehensive after‑sales service, ultimately securing the contract over competitors’ offerings. And out, Ultimately, it won the Zhenhai Refining & Chemical Time Server Project.

The Zhenhai Refining & Chemical Company, a subsidiary of China Petroleum & Chemical Corporation (hereinafter referred to as “Zhenhai Refining & Chemical”), is a key enterprise under Sinopec. Originally established in 1975 as the Zhejiang Refinery, it underwent a comprehensive restructuring in 1994 and was reorganized into Zhenhai Refining & Chemical Co., Ltd., and… Hong Kong Stock Exchange Going public.

Zhenhai Refining & Chemical Developed independently by Zhongxin Chuang DNTS-8 Time Server After conducting a thorough evaluation, the results consistently exceeded the specified performance criteria, and we were highly satisfied with both our product quality and after-sales service. The procurement proceeded smoothly, and the products have now been put into operation.

The DNTS-8 time server, developed by Beijing Zhongxinchuang Technology Co., Ltd., is a high-tech, intelligent, stand-alone clock synchronization server that operates based on the NTP/SNTP protocols and delivers high precision. The DNTS-8 time server obtains standard clock signal information from GPS geostationary satellites and transmits this information across the network, enabling devices requiring time signals—such as computers and controllers—to synchronize with the standard clock. When all receivers lose signal, the DNTS-8 relies on its built-in temperature-compensated crystal oscillator for timekeeping, achieving a timing accuracy of up to 1E-9. The DNTS-8 uses standard clock information transmitted over TCP/IP networks and supports multiple popular time‑broadcasting protocols, including NTP and time/UDP; it can also accommodate custom‑defined time‑broadcast packets from Zhongxinchuang Technology, with configurable UDP ports. The port numbers for NTP and time/UDP are fixed at 123 and 37, respectively, as specified in RFC-123 and RFC-37. Additionally, the DNTS-8 supports the broadcast mode of the SNTP protocol.

Product dimensions	19-inch 1U
Receiver	Built-in GPS Receiver
Built-in clock	Built-in temperature-compensated crystal oscillator; even when satellite signals are lost, it continues to output a standard time signal.
Liquid crystal display	LCD displays the time, Two lines, each with 20 characters, display the time, number of satellites, and device operating status. LEDs indicate power status, satellite lock status, holdover operation, alarms, and NTP validity.
Throughput	Can meet per second per mouth 2 000 time requests
Local Alarm	Supports SNMP alarms, local dry-contact alarm output, current rating 10A.
Output interface	RS232/485, IRIG-B, 10M, 1PPS, 10 MHz sine wave output, BNC connector 1 PPS output, BNC connector IRIG-B code output, BNC interface IRIG-B code input, BNC interface RS232 output, supports the TL1 protocol.
Input interface	Serial port input; time can be set manually, and it can serve as an external clock source.
Timekeeping function	Even when satellite signals are lost, it must still output a standard time signal, with the temperature‑compensated crystal oscillator achieving an accuracy of better than 1 × 10⁻¹².
Encryption Verification	Provides MD5 encryption verification functionality.
Network management functions	It features comprehensive SNMP network management capabilities.
Feature Expansion	Supports extending to select other functional modules.
Settings Management	Supports configuration and management via web pages, Telnet, and other methods.
Timekeeping Record	Time‑synchronization logs can be viewed via the web interface and Telnet; the installed software can store an unlimited number of records.
UDP operating mode	Provides the UDP broadcast protocol, enabling connection to electronic clock LED displays. You can configure at least eight UDP remote IP addresses and port numbers: Output the new science and technology time data packet: A total of 32 bytes, with the following details: Offset Description 00...01 year (00...99) 02...03 Month (01...12) 04...05 days (01...31) 06...07 o'clock (00...23) 08...09 Minutes (00...59) 10...11 seconds (always 00) 12 Day of the week (1-Mon, 2-Tue, ...) 13 Daylight Saving Time Indicator (0-no, 1-yes) 14 String terminator, ‘\0’ 15 String terminator, ‘\0’ 16...19 32-bit CET/CST time in UNIX format 20...23 32-bit GMT time in UNIX format 24...31 All 0

With 20 years of extensive industry experience, our company has established a strong corporate reputation and brand image, serving clients in the energy sector, including:

Sinopec, Shanghai Petrochemical, Tianjin Petrochemical, Yanshan Petrochemical, Zhanjiang Petrochemical, Langfang Petrochemical, Gansu Petrochemical, Anqing Petrochemical, Zhongyuan Petrochemical, Daqing Oilfield, Daqing Refining & Chemical, Qinshan Nuclear Power Plant, Kunlun Gas, Hope Gas, Shenzhen Gas, PetroChina Yellow Sea Storage Base, Beijing Shougang Co., Ltd., Hebei Shougang Qian’an Iron & Steel Co., Ltd., Fujian Sangang Mingguang Co., Ltd., Angang Steel Co., Ltd., Chongqing Iron & Steel (Group) Co., Ltd., Tianjin Jinwanhang Petroleum Materials & Equipment Co., Ltd., Daqing Petrochemical, China National Petroleum Corporation Qingyang Petrochemical Company, Tarim Oilfield, Tianjin Petrochemical, Yangzi Petrochemical, Sino‑Saudi (Tianjin) Petrochemical, Zhongyuan Petrochemical, North China Petroleum Communications Co., Ltd., Wuhan Iron & Steel Group Co., Ltd., Shaanxi Yulin Energy Group, China Huaneng Group, China General Nuclear Power Group, Yankuang Group, the China–Russia East Pipeline, Inner Mongolia Yidong Group Dongxing Chemical Co., Ltd., Huadian Environmental Protection Systems Engineering Co., Ltd., Chongqing Huafeng Chemical Co., Ltd., Cangzhou Huahai Refining & Chemical Co., Ltd., and others.

The choice of numerous departments and enterprises reflects recognition of Zhongxin Chuang’s products and services. By working in close collaboration with partners across all sectors, we are jointly advancing toward win‑win outcomes for businesses and society alike!

Zhongxin Chuang provides clock synchronization equipment to the Postal Savings Bank of China.

Zhongxin Chuangwei provides digital clock equipment to the Second Department of the First Hospital of Jilin University.

Zhongxin Chuang provides clock synchronization equipment to the Postal Savings Bank of China.

Zhongxin Chuangwei provides digital clock equipment to the Second Department of the First Hospital of Jilin University.