NINGBO FASTENER FACTORY was established in 1984, it is very specialized in the production and sale of hex cap screw, covering an area of 16,000 square meters with the production capacity of 18,000 metric tons annually. The main standards of product are ANSI, DIN, BS and ISO. Diameter of the inch products is 1/4-1 with tensile strength Gr2-Gr8, and M6-M30 for the metric products covering the tensile strength Gr4.8-Gr10.9. Surface treatment are including black, zinc plated, hot dip galvanized, phosphated Ect. if any you are interested, please contact with us by E-mail, that is xxxxx
