Тяжелые шестигранные болты и гайки ASTM A325 A490 для стальных конструкций мостов зданий

Founded in 1990, Ningbo Zhonglian Fastener Manufacture Co., Ltd. is an export-oriented company that specializes in the manufacture and sale of various types of fasteners, i.e. nuts, bolts, etc. Our premises cover an area of 106,000 meters squared with 7,500 of them our buildings. We have fixed assets of USD 2.1 million and annual export exchange of USD 5 million. Of our two hundred staff there are two senior engineers and three assistant engineers and fourteen involved in sales promotion.

Our annual production capacity is about 10,000MT, which is approximately 200 million pieces annually. This number includes various fasteners with different specifications: hexagonal-headed bolts, screws, nuts, washers, anchors and and some larger scales items, produced as per requirements and demand. Our standard range has specifications from M5 to M74 (diameter), and from 10mm to 2000mm (length), and meet the standardized specifications of:
1) Germany (DIN)
2) British System (BS)
3) American System (ANSI/ASME)
4) Australian System (AS)
5) Japanese System (JIS)
6) Guo Biao (GB, China National Standard)
7) ISO

As we can meet all these specifications it is probably no surprise to find that ninety percent of our products is exported to Europe, America, Australia, Singapore and the Middle East, and the remaining ten percent is sold to the home market.

We promise to you: high-quality products, reasonable price, timely supply and a satisfactory after- sale service. We whole-heartedly welcome customers, old and new, from home and abroad, to cooperate with us.