Guangzhou Naian Automobil Fittings Co., Ltd is the office of Jiangxi Yuancheng Auto Parts Co., Ltd in Guangzhou city. After 10 years experience in producting leaf springs, we have a complete kinds of leaf spring, and are able to produce a variety of leaf spring for both domestic and abroad. We now have a huge annual output of more than 150, 000 tons. So we are now grown into one of the biggest leaf spring manufacture in China.To offer more convenience to our customers, a workshop with 4 lines to specilize in U bolt, center bolt and tyre bolt was established in 2008. In the meantime, we built up very good cooperation relationship with many auto parts manufactures. So we could provide you all the spare parts of trailer and semitrailer in a very competetive price and high quality.We think it our duty to fulfill your need , and the cooperation between us will must bring you a more and more extensive market. We believe that you will be very satisfied with our win-win cooperation !