Hebei Huayu Special Rubber Co., Ltd. is the professional manufacturer of complete union products in China with many years experience. We have advanced equipment and skilled workers to produce super high quality union products and we test and check products before they are delivered to customers. And this is the reason why we have won high reputation among customers and we have made great achievement in union industry.

We manufacture and supply complete union products, including hammer union, air grip union, mud tank union, self-sealing fitting and thread protector. They are all used to connect and seal pipeline and equipment except thread protector, which is used to protect casing pipe thread in drilling and well repairing work.

Hammer union is a kind of frequently-used pipeline connection product and it is easy to install and dismantle. It can separate two pipes in the condition of keeping pipes motionless. It is widely used in various high pressure fluids work, such as oilfield drilling, cementing, well testing, acid fracturing and offshore platform. It includes 10 kinds of products with different cold working pressures and structures.
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