Zhejiang Yongjia Baisheng valve Factory is located in the hometown of valveâ??Oubei town. We are specialized in producing various kinds of flanges, such as plate flange, WN flange, SO flange, LWN flange and so on. We do can produce them in GB, ANSI, JIS, BS standards and also some non-standard. And we use lots of materials, for example, A105, A182F304, A182F304L, A182F316, A182F316L, A182F1, A182F2, A182F11 etc.We can produce flanges according to the clientsâ?? requirements. We eager to sell our flanges to every conor of the world. We sincerely hope to have the opportunity to cooperate with your esteemed company. We will do our best to give you the best quality flanges and the best services.