Jingdong (NASDAQ: JD) is a Chinese self-owned B2C shopping website, formerly known as 360buy, founded by Liu Qiangdong.In 2014, Jingdong Group went public on the NASDAQ stock exchange in the U.S., becoming China's first large-scale, integrated e-commerce platform listed in the U.S.[2], and had a share of 56.31% of China's self-owned B2C e-commerce market in the first quarter of 2015 TP3T[3]. It currently sells home appliances, digital communications, computers, household goods, clothing and apparel, mother and baby, books, food and other goods. According to the information, as of the end of March 2016, Jingdong Mall had 7 replenishment centers, 209 warehouses, 5,987 delivery bases and 2,493 pick-up stations.On September 30, 2017, Jingdong operated 405 large-scale warehouses across the country, with a total area of approximately 9 million square meters.

T600-BDRBP NTP time server supports NTP and SNTP network synchronization protocols, and is a high-precision, large-capacity, high-quality clock product. The device adopts redundant architecture design, and the high-precision clock is directly derived from the atomic clocks of each satellite in the BeiDou and GPS systems, and the local clock source is tamed through signal analysis to realize the function of accurate local clock maintenance after the loss of satellite signals. Unique embedded hardware design, high-efficiency Linux operating system, flexible expansion of a variety of clock signal output. Fully support the latest NTP timing protocol, MD5 security encryption protocol and certificate encryption protocol, with time accuracy better than 2 milliseconds. Meanwhile, it supports TOD, 10MHz, 1PPS, logging, USB port upgrade and download, and dry contact alarm function, which can easily realize network time synchronization and effective monitoring by cooperating with the whole network time unification monitoring software independently developed by Beidou Bangtai.

T600-BDRBP NTP network time server can be widely used in government, finance and insurance, mobile communication, cloud computing, e-commerce, energy and electric power, petroleum and petrochemical, industrial automation, intelligent transportation, security, smart city, Internet of Things, national defense and military industry.

T600-BDRBP NTP network time server innovatively integrates seamless switching technology of reference source, high-precision time interval measurement TIC technology and adaptive precision frequency measurement and control technology. It adopts modularized design and consists of BeiDou receiver, GPS receiver, high-performance industrial-grade motherboard, human-machine interface and monitoring management unit, local clock taming unit, output interface module and power supply module.