Established in 2005, Haiyan Jindu Hardware Co., Ltd is a professional National Standard GB Square Nut suppliers
, we have professional R&D personnel who can develop and produce products according to the drawings or samples provided by customers. Our factory mainly produces carbon steel nuts, including hexagon nuts, flange nuts, heavy hexagon nuts, thin nuts, nylon nuts, etc., with an annual output of 10,000 tons. Standards involve ISO, DIN, ANSI/ASME, BS, UNI, JIS, AS and national standards and non-standard parts. As a National Standard GB Square Nut company
, we specialize in Custom National Standard GB Square Nut
, our products are mainly used in wind power, construction, oil fields, transportation, furniture and other fields. Sold to America, Europe, Middle East, Asia and domestic market.