Ningbo Zhenhai Dingli Machinery Manufacture Co., Ltd. |
Ningbo Zhenhai Dingli Machinery Manufacture Co., Ltd. are a professional manufacturer only provide fasteners according to DIN,ANSI/ASME,ISO,BS,JIS,AS,GB standard, but also provide non-standard fasteners as per your drawings and samples. Various raw material and surface finish are available in our factory., Now we have two plants:
One professionally produces hot formed products, specialized in production of high strength hex bolt, hex socket cap bolt,thread rod, double-ended...