Located in the beautiful scenery of Water Town of the South Yangtze River, Changzhou HOK Seal Material Co., Ltd. is a professional high-tech enterprise specialized in the R&D, production and marketing of engine crankshaft oil seals, valve stem seals, water-proof rings, gear-box oil seals, shock-absorbing and automobile rubber damping products, rubber molded parts and so on.By combining many years of experience of manufacturing, we have been committed to R&D of rubber sealing products, and continuously focused on the innovation of raw materials, formula, production technique, testing methods etc. At the same time, we're equipped with worldwide advanced manufacturing facilities, qualified R&D capabilities and testing device, adopting the advanced raw materials and formulas, to ensure consistency, ratability and stability of prod...
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