Jinan Star Fastener Co.,ltd

jinan huayang fastener co., ltd. (jinan shida fastener co., ltd.), located in jinan, the beautiful "city of springs", is a backbone fastener enterprise in shandong province, and a executive director unit of chinese fastener professional association. the company mainly manufactures and operates fastener products, including railway fishtail bolts, screw spikes, square head bolts, t-shaped bolts, hexagon head bolts, hexagon flange bolts, cup head square neck bolts, cup head oval neck bolts, u-shaped bolts, anchor bolts, track bolts, hexagon head wood screws, inner hexagon cylindrical head screws, hex square nuts, and all kinds of washers, with an annual output of 20,000 tons of various fasteners. product standards include: germany standard, australian standard, american standard, japanese standard, and gb, etc. product specifications: m6-m39 (1/4"-1-1/2"). performance ratings are: 4.6, 4.8, 5.8, 6.8, 8.8, 10.9 and 12.9 (american 2, 5, 8 and 10 level). surface treatment methods contain: zi