Ningbo Zhenhai Jilian Fastener Pieces Company Ltd. is one of the qualified fastener manufacturers in China. Most of our products are exported to oversea markets since establishment of factory, we are in a position to supply ASTMA194 2H, 2HM, 7 & 7M, DIN934, DIN6915, etc, standard hexagonal nuts, square nuts, special nuts and the relevant bolts! The range is from 1/2” to 2 1/4”, grade from 4.8 to 12.9. The standards can be DIN, BS, IFI, ISO etc.