Shanghai Sunland Industrial Co., Ltd is the top manufacturer of Personal Protect Equipment in China, with 20 years’experience. We are the Chinese government appointed manufacturer for government power,personal protection equipment , medical instruments,construction industry, etc. All the products get the CE, ANSI and related Industry Certificates. All our safety helmets use the top-quality raw material without any recycling material.
custom bobble hat
We provide exclusive customization of the products logo, using advanced printing technology and technology, not suitable for fading, solid and firm, scratch-proof and anti-smashing, and suitable for various scenes such as construction, mining, warehouse, inspection, etc. Our goal is to satisfy your needs. Demand, do your best.
Professional team work and production line which can make nice quality in short time.
The professional team provides 24 * 7 after-sales service for you, which can help you solve any problems
Following on from the American GPS, Russian GloNaSS and the European Galileo satellite ,positioning, systems, the Chinese have now fired up their own constellation called ,BeiDou, which became operational over the last few days of 2018...
The ,BeiDou, Navigation Satellite System (BDS) has been built and developed in accordance with the "three-step" strategy. BDS-1 ,construction, was started from 1994 and put into use in 2000. It adopted an active ,positioning scheme, to provide Chinese users with
With an active-,positioning scheme,, the system provided users in China with ,positioning,, timing, wide-area differential and short message communication services. The third GEO satellite was launched in 2003, which further enhanced the system performance. The second step is to construct BDS-2.
The ,BeiDou, Space Segment consists of a constellation of 35 satellites, which include 5 geostationary orbit (GEO) satellites and 30 non-GSO satellites. The system is currently under development evolving from a regional system called ,BeiDou,-1 , and in the first phase will provide global navigation services by 2020, similarly to the GPS , GLONASS or Galileo systems.
21/9/2012, · Today, ,BeiDou, will continue serving people from China and all over the world not only on navigation, but also on ,positioning, and timing. The ,BeiDou, system will meet the demands of China’s national security, economic development, technological advances and social progress, safeguard national interests and will enhance the comprehensive national strength.
8/2/2018, · NORINCO has also won the bidding for the ,construction, project of a base station network for foreign navigation satellites, marking the first step in its bid to push applied ,Beidou, system overseas. According to Yin Jiaxu, chairman of NORINCO, the corporation has already set up a network system and statistics processing center for ,Beidou,'s ground-based augmentation system, which consists of ...