madao, wenzhou, zhejiang, China,523102
Yong Jia KOS valve Ltd. is that special field makes enterprise one create middle low pressure. be tied in wedlock our national condition and actual working condition, the characteristic , effectuation absorbing abroad optimize technology parameter. By ...
bellows seal stop valve , globe valve , strainer , bellows seal gate valve , check valve, angle stop valve, din valve, din 3356, en13709, en558, en1092, din3202, din2543, din2544, din2545, gs-c25, 1.0619, 1.4408, gp240-gh, bellows valve, kos valve,