Located near the Nanjing Lukou Airport and No. 314 Provincial Highway, Nanjing Shengshi Machinery Tools Co., Ltd. is a manufacturer of screwdriver bits and sockets with well-equipped equipment and strong technical capabilities. Guaranteeing stable and timely supply, credible quality and sincere services, our products sell well in both domestic and overseas markets. If you are interested in any of our products, or wish to place a customized order, please contact us. We will do our best to meet your needs. We welcome new and old customers from all over the word to contact us for future business relationships and achieving mutual success!