high strength large hexagon bolts with one nut and two washers, especially for steel structure,Beijing new airport has proved its quality.
ISO 45001:2018, ISO14001:2015,ISO9001:2015
STANDARD EXPORT PACKAGING
Handan Zhengfa Technology Co., Ltd. is a comprehensive modern enterprise specialising in high-end special fasteners and environmentally friendly prefabricated construction industry. and integrating product research and development, manufacturing, sales and testing.
The company has been built according to the standard of the first-class modern fastener factory in China by following the high starting point planning and high standard design. In the framework of manufacturing equipment, with high automation as the standard, it mainly adopts the well-known brand forming equipment in the market, and fully realizes the optimization of the structure of the products.
Our company has a Production capacity of 50,000 tonnes per year.