Established in 1992, Haiyan Guangda Hardware Co., Ltd. is China nut manufacturer and nuts sale. We design, manufacture and sell many kinds of fasteners according to ANSI/ASME B18.2.1, DIN, BSW, and ISO 9001 standards. Our OEM and custom hex nut, square nut products are widely used in tower, construction, guardrail & other industrial fields.
-->>Our Main products: bolt, nut, washer, fastener assembled sets, hex bolt, hex flange bolt, carriage bolt, stainless carriage bolt, short neck carriage bolt, flange bolt, hexagon flange bolt, t bolt, square bolt, guardrail bolt, track bolt, tower bolt, hexagon socket bolt, u bolt, hex nut, square nut, flat washer, hex bolt with nut, carriage bolt with square nut, track bolt with square nut, guardrail bolt with nut and washer, tower bolt with nut and washer, flange bolt and flange nut. Or go to index.