
TAIZHOU CHANGLONG FASTENERS CO.,LTD manufactures rock bolt accessories and high-intensity special fasteners, supported by integrated production and surface-treatment capabilities.
TAIZHOU CHANGLONG FASTENERS CO.,LTD is a Taizhou, Zhejiang-based manufacturer focused on rock bolt accessories and high-intensity special fasteners for demanding applications. The company’s product range includes mining and rock-support fasteners such as spherical seat nuts, dome ball washers, hex and flange nuts, couplers, eye bolts, scaling bars, friction bolt rings, and pull collars.
Established in 1995, the factory has developed from a small workshop into a medium-sized manufacturer with an integrated production line that brings key processes together, including cold drawing, heat drawing, cutting, heat treatment, and surface treatment. The facility operates with multiple surface-finish options, including plain, black, electro-galvanized, and hot-dip galvanized treatments.
Guided by a quality-first, contract-abiding business philosophy, the company emphasizes reliable product performance, reputation-driven market service, and responsive after-sales support to serve international buyers in mining and industrial fastening markets.

The company operates with hundreds of employees, including 16 managers and engineers, supporting both manufacturing execution and technical coordination.
Send an enquiry to learn more about their capabilities and request custom quotes.
The company pursues growth through quality, builds the market through reputation, welcomes customers with attentive service, and develops through continuous effort.