Rocky Union Valve Co., Ltd carries on Zigong's mature valve manufacturing tradition, The company is composed of some knowledgeable valve design and workmanship engineers and some skilled, experienced workers. We have a deep understanding of API, ASTM, ANSI, DIN, JIS and other international standards. And we have adopted more stringent standards to ensure that our valve has a good quality all the time. During years of valve design and producing, we learn that there are many problems affecting the quality of the valve, such as porosity of casting, O-ring's hardness less hardness, less tolerance of seat pocket, all these problems will lead the leakage of the valve seriously. For avoiding and settling the similar problems, we have adopted very strict testing ways and our unique design and technology to avoid the occurrence of the same problems, to the maximum extent possible.

We are specialized in API6D pipeline valve products' designing and manufacturing, including through conduit gate valve and API6D ball valve and other valves. We can provide our customer the though conduit gate valve as slab gate and expanding gate, pressure from class 150# to 1500#, size range from 2" to 48", with different operations. Also we can provide ball valves from class 150# to 2500#, size range from 1/2" to 48", with different operations, like lever, gear box, pneumatic, electric, gas over oil. And for the ball valve, we can provide cast body, forged body and fully welded body ball valves.