NINGBO S&D METALWORK CO.,LTD. is a professional fastener manufacture in NINGBO, CHINA. We offer to our customers a series of screw, bolts, nuts, washers and other product according to your CAD drawing and samples. Sincerely welcome you come to custom design.
All our products are produced according to the ASTM,DIN,ISO,SAE INTERNATIONAL STANDARD specification. Our fasteners are sold to the worldwide.