304Ss Underwater Spot Light,304Ss Ip68 Underwater Spot Light,115Mm Ip68 Underwater Spot Light,Ip68 3Watt Underwater Spot Light Shenzhen Poolux Lighting Co., Ltd. , https://www.pooluxled.com Recently, Northeastern University and Anshun Hong too cryogenic equipment maintenance center to develop a new type of "rotary vane vacuum pump" all the projects developed and identified through scientific and technological achievements of Liaoning Provincial Science and Technology, Liaoning Quality Supervision Bureau has made the quality certification, got the production license Card, the government will also be the project as a key investment project in 2005, and give financial support.
Liaoning new rotary vane vacuum pump through the identification