Fuzhou Hezong Mechanical and electrical equipment Co., Ltd is one of the top manufacturers and exporters in China of evaporative air cooler. The company is located in Fuzhou, Southeast coast of China....

Fujian Minxuan Technology Co., Ltd has been reformed from Quanzhou Yujie Rotary Joints Mental Hose Co., Ltd, which was founded in 1998, with registered capital of RMB50, 000, 000.It’ s a....

Wanhua Electron & Technology Co., Ltd, is a leading & professional manufacturer for two way radio, walkie talkie, home alarm system, for more than 15 years. Founded in 1996, Wanhua has grown to be....

Quanzhou Xintai Communication Equipment Co., Ltd. was founded in 1991. Our company has owned our factory since 2003, and the factory is Quanzhou YANTON Electronices Co., Ltd .Our company is located....

Welcome to Longyoung Greenhouse Company Limited. We take pride in offering you the finest greenhouse and related kits. We began the greenhouse business from 2002. We not only build the greenhouse for....

Waveplate: Waveplates ( retardation plates or phase shifters) are made from materials which exhibit birefringence, we usually use Quartz or Quartz+ BK7. There are several kinds of waveplates, Multi....