Boss Precision Works Co., Ltd.
We manufacture industrial fasteners supply, including stainless steel screws, self-tapping screws, self-drilling screws, high tensile bolts, concrete screws, dry wall screws, roofing screws, machine screws, furniture screws, nuts, washers, bits, collated nails, head painted screws, thread cutting screws, stainless screws, trilobular screws, alloy steel screws (bolts), ...