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Sincere cooperation, mutual benefit, and shared progress.
23
2021
-
07
Zhongxin Chuangwei provides precise clock synchronization for Changchun Chemical.
Recently, Changchun Chemical released its requirements for a time server. Beijing Zhongxin Chuang promptly collaborated to develop a detailed proposal and recommended its self‑developed and manufactured DNTS‑6 time server as the bid‑winning product. Following a fiercely competitive bidding process, Zhongxin Chuang stood out thanks to its high‑quality products and comprehensive after‑sales service, ultimately securing the contract for Changchun Chemical’s time‑synchronization server project.
Changchun Chemical (Jiangsu) Co., Ltd. was established in July 2002 and is a wholly owned subsidiary of the Taiwan-based Changchun Group, with direct investment from the Group’s two major enterprises, Changchun Petrochemical and Changchun Synthetic.
Changchun Chemical Developed independently by Zhongxin Chuang DNTS-6 The time server underwent rigorous testing, and the results consistently exceeded the specified performance parameters. We are highly satisfied with both the product quality and the after-sales service, and have proceeded smoothly with procurement and deployment.
The network time server DNTS-6, developed by Beijing Zhongxinchuang Technology Co., Ltd., is a high-tech, intelligent, stand-alone time server based on the NTP/SNTP protocols. DNTS-6 obtains standard clock signal information from GPS geostationary satellites and transmits this information over the network, enabling devices that require time signals—such as computers and controllers—to synchronize with the standard clock. Standard clock information is transmitted via the TCP/IP network, and DNTS-6 supports multiple popular time‑broadcasting protocols, including NTP and time/UDP, as well as Zhongxinchuang’s proprietary time‑broadcast data packets 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, DNTS-6 supports the broadcast mode of the SNTP protocol.
| Network Protocol: |
NTP v1.v2.v3&v4(RFC1119&1305) SNTP(RFC2030) MD5 Authentication (RFC1321) Telnet (RFC854) UDP NTP Unicast, Broadcast, Multicast, Autokey TIME (RFC868) FTP (RFC959) DAYTIME (RFC867) DHCP (RFC2131) |
| HTTP , SNMP v1, v2, MIB II (RFC1213), RSA asymmetric encryption |
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| IPV4 |
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| NTP Server Performance: |
GPS/BD Clock reference mode, Tier‑1 network time server, internal synchronization accuracy of 1 µs. |
| User terminal synchronization timing accuracy: 0.5–2 ms (typical value on a local area network) |
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| User capacity: Supports thousands of clients. |
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| NTP Request rate: 2,000 requests per second (per network port) |
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| Supports 50 log entries (per single network port) |
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| GPS/BD Receiver: |
50 Channel‑timing‑based GPS/BD receiver; options include single‑GPS, single‑BD, and GPS/BD dual‑mode receivers. |
| UTC Synchronization accuracy: 30 ns (RMS) |
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| Receives L1 C/A code signal at 1575.42 MHz |
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| Tracking and lock‑on sensitivity can reach −160 dBm. |
With 18 years of 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, 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, 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 from all sectors, we will jointly achieve win‑win outcomes and shared progress for both businesses and society.
CONTACT INFORMATION
Add: Room 418, 4th Floor, Building 1, No. 138 Malianwa North Road, Haidian District, Beijing
R&D Center: 4th Floor, Yicheng International Center, Haidian District, Beijing
Contact phone number:+86-10-62893032
After-sales phone number:+86-10-62130080
E-mail:support@neutrontek.com
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