صين شركات Testing Instrument

Established in 1974, Beijing Institute of Opto-Electronic Technology is not only one of the key research institutes in Beijing, but also is a national high-tech enterprise. It is the vice chairman member of China Optics and Optoelectronics Manufactures Association (COEMA): home to Beijing Optical Society. Located at the original site of elegant Sino-French Institute, the institute is affiliated to Beijing Instrument Industry Group Co. ,Ltd, which has more than 60,000 staff and most of them

We company ,Chongqing Gold M&E Equipment Co. , Ltd, which located in Chongqing City of China, is a professional and experienced manufacturer of oil testing apparatus. We have a large rang of products, including oil flash point tester, engler viscometer, oil kinematic viscometer, oil water content tester, oil penetrometer, oil pour point tester, insulating oil breakdown voltage tester, etc. Our products are designed and made strictly according to the national standard. Most of them are refered

Founded in 1993, Shenyang Tianxing Testing Instruments Co. , Ltd specializes in designing and manufacturing portable hardness testers. While Tianxing product line expanding, we have continuously brought innovations and improvements to our designs, and most of our state of the art products successfully fill the market blank in China. The accuracy, workmanship, and even packing of many of our products lead in the industry worldwide. Tianxing is one of the few Chinese companies that value accura