China Haining Zhongda Fastener Co., Ltd. The company was established in 1984 and specializing in producing hexagon nuts. Now it has 7 producing assembly lines and matched with closed, open pressing machine, the capacity include: 100 tons,125 tons, 160 tons,250 tons,400 tons .

We can product more than 200 specifications of Hexagon Nuts. Like DIN,D-6,D-12, nylon insert nuts, slotted nuts and so on. They can be plated by blue zinc ,yellow zinc, plain and HDG and so on .We did passed ISO9000 international product quality system authentication in 2003. we had obtained self exporting rights. 90% of the products are exported to south-east Asia, Europe and America.

Currently¡«our customers are in US and Europe, such as PFC, HTI, IFAST etc. very bigger customers. So, we can supply very good quality and good services.