zhengxiang West

Hennan Guanyun Optical Communication Co.,Ltd was founded in 2004,We focus on the research and development and production of "FTTX series products of FTTH" over these 13 years. It wor...

Xinji city muqiu industrial zone no. 8

The company mainly produces instruments, temperature sensors, various composite probe and peripheral products used in steel making and casting. Our main products are fast-speed thermocouple, microcomp...