Shandong Long Kou Xinglong Auto-Parts Co.Ltd has been in the line of Rubber products for almost 20 years. Our main products are including Valve stem Oil seals, Bonded seals, Rubber seal strips and etc. In the past 20 years, we are always insist on supplying good quality products with competitive prices to our customers. We are the appointed manufacturer for some Engine factories such as Isuzu, Deutz , Haerbin Dongan Auto Engine Co and etc.

We have our own research center. So OEM and ODM is available here. Welcome you come to our factory for visit.