Qingdao Yijia Metals Minerals And Machinery Import And Export Co., Ltd. [China]

we have many kinds of gate valve. wedge gate valve,electromotor wed gatede valve,API gate valve,knife gate valve, jacket gate v

we have many kinds of gate valve.

wedge gate valve,electromotor wed gatede valve,API gate valve,knife gate valve,    jacket gate valve,plate gate valve, oil field thro-conduit gate valve,forged gate valve,manual tape slury valve,parallels slide valve.

gate valve