Dongjin

Hunan GRI Instrument Co., Ltd. is located in Environmental Science and Technology Industrial Park in Hunan Province in 2009. Our company is a high-tech enterprise based on advanced sensors and instrum...

15F,Jinqiu international Building A,No.6 Zhichun Rd, Beijing, Beijing, China

Professional leading manufacturer for image and vedio controling system and display walls; With over 10 item patents and 16 items copyrights; Patents Layered mechanical adjustement device; Base adjust...