Qingdao Simen Company is a professional manufacturer in producing construction steel hardware and other PC product,such as Lifting Anchor;Rubber Former;Lifting Clutch;Thread System;Hevy Lifting System;Loop box...
Qingdao Simen Company is a professional manufacturer in producing construction steel hardware and other PC product,such as Lifting Anchor;Rubber Former;Lifting Clutch;Thread System;Hevy Lifting System;Loop box...