Situated in the largest rubber productsproducing area in China, Hongchangis a ISO 9001:2000 certified custom rubber sealing parts manufacturing company which provides the related industry with the best quality rubber & plastic products to OEM. We have all around qualified and experienced staff with automated production lines, complete detection equipment and advanced management system. Meanwhile, there are high quality raw materials(DOW & LION from USA) and customized service plans for you.