Zhejiang Chaoboer Hardware Co., Ltd., founded in 2001, is a professional manufacturer specializing in the production of standard and non-standard bolts and screws. The company operates under a certified GB/T 19001-2016 / ISO 9001:2015 quality management system and holds CE certification, ensuring consistent quality and compliance with international standards.
Chaoboer Hardware is equipped with a strong manufacturing base, featuring 15 multi-station automatic cold forming production lines, 4 heat treatment lines, 2 spheroidizing annealing lines, and 2 hot-dip galvanizing lines. The factory covers an area of over 10,000 square meters, enabling large-scale, efficient, and flexible production.
The company’s main products include standard hex bolts, hex socket bolts, hex flange bolts, carriage bolts, square bolts, T-bolts, as well as a wide range of custom non-standard bolts, manufactured according to DIN, IFI, BS, JIS, and GB standards. Product strength grades range from Class 4.8 to 12.9 (DIN) and Grade 2 to 8 (IFI), with diameters from 5 mm to 30 mm (or 1/4” to 1-1/8” in IFI standards).
With over 90% of its products exported, Zhejiang Chaoboer Hardware serves customers across the United States, Europe, Canada, Australia, Japan, South Korea, and other international markets. The company is committed to delivering reliable quality, stable supply, and customized fastening solutions for global clients.