Hubei Dengfeng high strength bolt Co., Ltd. is a professional manufacturer of high-strength bolts designated by China Shipbuilding Industry Group Corporation and the former Hubei Provincial Department of machinery and electronics industry. In the past 50 years, it has professionally produced several large and medium-sized hydropower station project tensioning screws, prestressed anchor bolts of many wind farms and high-strength bolt fasteners of other industries for domestic and foreign customers. The products are widely used in internal combustion engine, hydropower, wind power, nuclear power, automobile, bridge, construction, railway, chemical industry, metallurgy, ship, engineering machinery, industrial boiler, aerospace and other industries.
The factory is located in Daye Lake National High tech Industrial Park, Huangshi City, Southeast Hubei Province, which is reputed as "hundred Li gold land and Jiangnan treasure basin". Since the establishment of the factory in 1967, through continuous growth, the company has various processing and production equipment, such as material restructuring, cold and hot upsetting and extrusion molding, full computer-controlled heat treatment production line, CNC cutting, efficient grinding, thread rolling, etc. At the same time, it has a series of advanced and perfect testing methods, such as raw material testing, hardness sorting, metallographic analysis, magnetic particle testing, ultrasonic testing, precision measurement and mechanical property testing. The factory has passed iso9001:2015 international quality management system certification.
All kinds of diesel engine connecting rod bolts, main bearing bolts, cylinder head bolts, steel structure bolt connection pairs, railway bolts, construction bolts and high-strength bolts for wind power, hydropower, nuclear power and other leading products produced by our factory have been widely used in more than 100 hydropower stations and wind farms in more than 60 main engine plants at home and abroad, as well as more than 30 key projects at home and abroad, and are unanimously accepted by our customers Well received.
Our products have complete series and advanced technology, all of which meet the national standards. Their mechanical properties reach 8.8-9.8-10.9-12.9. The thread accuracy reaches 4H. According to the requirements of customers, we can organize production according to DIN, ANSI, BS, JIS and other standards.
Hubei Dengfeng high strength bolt Co., Ltd. will always adhere to the service concept of "quality first, customer first", in the spirit of "integrity, innovation, better" enterprise spirit, relying on the dedicated and responsible staff team, warmly welcome customers to visit and patronize, at the same time, with good reputation, better service and new and old customers to work together to seek common development and create the future.