The day before, the world's leading third party testing
and certification organization TUV SUD group
(hereinafter referred...

ZHEJIANG COTECH VALVE CO., LTD was establishedin 2005,located in the hometown of oversea Chinese Qingtian Lishui City, Zhejiang province, which is a vigorously innovative check valve specialist.

The day before, the world's leading third party testing
and certification organization TUV SUD group
(hereinafter referred ...

PVPEW2017 The 12th Wenzhou (Golden Eagle) valve exhibition will be held on October 27, 2017 in Yongjia Oubei Cultural Square grand opening, PVPEW is the valve class, pumps, fluid and related production