No.169 Xuesong Road,National&High Tech Zone,Zhengzhou

Henan Hanwei Electronics Co., Ltd. (ISO9001:2000 certified), established in 1998, with approx. 400 employees, is expert in the R&D, manufacture, and marketing of a full line of gas-detection p...

No. 288, Jinshui Road

Henan Ronghe Import & Export Co., Ltd. is established in 2009 in China. We have got the independent import and export rights already. Moreover, we hold the registered capital of 1 million RMB,...

Room 1808, Jinchengguomao building, No.60, Zijingshan Street

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5/F, Block C2D, Henan National University Science Technology Park, NO.11 Changchun Road, New High-tech District, Zhengzhou, Henan, China

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