Our customers believe that Hebei Jinan Fastener Co.,Ltd. Manufacture is the head in the high strength fasteners,standard parts for railway & steel structure fields . We choose the best material suppliers as our partner . All the procedures from raw materials, production to output are recorded. Every batch of products is kept samples and records. We have passed the review of ISO9001：2000 and founded advanced test center . We also have established the data files according to the standard of IFI & DIN. All these make sure that we can provide the high quality products for our customers.