用途：
用于发动机、变速箱、减震器等等，用来防止空气、冷却液、机油等介质的泄漏。如凸轮轴罩盖密封圈、进气歧管密封圈、节气门密封圈、水泵密封圈、机油泵密封圈等等。
解决方案：
Qingdao Changyu Group consists of Qingdao Changyu Sealing Co., Ltd., Shandong Laiyang Changyu Sealing Products Co., Ltd., Shanghai Changyu New Energy Co., Ltd., and Shandong Changyu Qingdao University of Science and Technology Technology R&D Center. The company mainly produces various types of skeleton oil seals and rubber sealing products. It is currently supplied by GM, Ford, Volkswagen, Mazda, Schaeffler, Mahler, Getrag and China FAW, Geely, Haima, BYD, Chery and other well-known companies.
The company has passed ISO9001, ISO/TS16949 international quality system certification, ISO14001 environmental system certification; the company has the world's advanced level of production equipment and testing equipment, research and development of a number of scientific and technological achievements, and obtained national patents. It is awarded the title of National High-tech Enterprise, China Patent Shandong Star Enterprise and Shandong Yantai Enterprise Technology Center. It is one of the major rubber sealing product research and production bases in China.
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