Singwax rubber industry limited, originated from Shenzhen Xinhuaxu rubber products co., ltd, was established in 2004. The factory is located in Pingshan New District of Shenzhen, we have more than 250 experienced workers and two factories.We are a professional manufacturer focus on rubber o-ring, rubber gasket, rubber seal and other customized products, which have a quality and friendly price.About o ring, we have nearly 2000 different o ring size of the molds, the o ring standard including American, European, Japanese and Chinese standard, and the products are widely used in Automotive, air conditioning refrigeration, electronics, and sanitary ware industry.Our products have been exported to the United States, Germany and Turkey, etc. and we also are the supplier of BYD.Hope to find a way to cooperate with you, if any questions, please let me know. http://www.singwax.com/products.html