O-ring is a rubber ring with a circular interface, because of its O-type cross section, it is called O-ring, also known as O-ring. It began to appear in the mid-19th century, when it was used as a sealing element for steam engine cylinders. It is one...
Read MoreXingtai Longcheng Seal Co., Ltd. is a company specializing in the research, development and production of rubber seals, located in Xingtai City, Hebei Province. The company's main products include rubber O-rings, custom rubber parts and rubber X-ring...
Read MoreOur company since its establishment, uphold the spirit of innovation and sustainable development concept, committed to technology and product innovation, to promote the development of rubber products industry. The main products cover 0 ring, X ring a...
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