Changzhou Hongsheng Machine Fittings Factory is a professional manufacturer of auto parts, it integrates researching, development, designing, manufacturing and selling. Our main products are wheel nuts, high-strength wheel bolts, wheel locks and marine anti theft oil caps.We are located in the south of the Yangtse River Delta Region Wujin Hi-tech Development Zone in Jiangsu Province, with convenient transportation. To the east it is exit of the high-way along Yangtse River, to the west it is near by State Road No. 312.We have a skilled team, and furnish many advanced equipment, such as multi-station cold-forging machines, precision CNC lathes, automatic electroplating production line, and so on. We buy multi testing facilities such as hardness testing machine, strength testing machine, torque testing machine, salty spray testing machine, thickness testing machine and so on to establish quality test center. Meanwhile, we get ISO9001:2008 and ISO/TS16949:2009 Certificate. All those provide strong guarantee to steady of products quality and dependability.Under our business philosophy: To achieve success through good quality, we are constantly optimizing products structure, improving our service quality, and devoting ourselves to create: JUNTIAN brand.