The main sales 4.8S, 8.8S, GB bolts, nuts, 10.9S steel with high strength bolts connecting deputy, steel structure with high strength hexagon bolt, drill the end of self-drilling screws, screw machine-processed rice, chemical anchor bolt, foundation to pin screw , metal expansion screw, elevator-specific expansion of Screw, nylon expansion suppository, all-thread screw, double-headed screw, flat washer, spring mattress specifications such as common fasteners and non-standard fasteners.
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