JST Seals

Guangzhou JST Seals Technology Co., Ltd. is a high-tech enterprise, which specializes in designing, developing, producing and selling seals and rubber products. Since its establishment in 1995, JST has been persevering in research on development of sealing technology and application of new materials, and devoted itself to providing more applicable products and solutions to sealing system for the customers. JST has passed the ISO9001:2008 and achieved the National Industrial Products Production License in 2009, and acquired 21 certificates of patent with more patents under processing. A number of our formula materials, like HNBR, modified PTFE, PEEK, have passed the H2S resistance test as per NORSOK M710 standard. JST has independent production workshops for rubber, PTFE, moulds, and lathing. Our R&D center has been cooperating with Guangdong University of Technology and South China University of Technology. Our testing equipment include the Friction-abrasion testing machine, High & low temperature PR2 testing machine, liquid nitrogen ultralow temperature (-196℃) machine, material testing machine, and tensile testing machine, etc. Our products include the EOG (Energy, Oil, Gas) seals, spring energized seals, Christmas trees seals, wellhead equipment seals, high pressure manifold and plunger pump seals, hydraulic seals, medical devices seals, high pressure water pump seals, hardware seals, wind power main shaft seals, rubber seals, which are widely used in engineering industry, petrochemical industry, pump valve, hardware and furniture industries, enjoying an active demand from all around the world, such as Asia, Europe and America, the Middle East, Oceania, South America and so on. JST has obtained a highly recommendation from clients from home and abroad. Adhering to the belief of “To be a professional JST member”, JST strives to lead in the sealing industry in China.