WINSUN FASTENERS CO., LTD. is a professional manufacturer of fasteners, specializing in a wide range of products including hexagon bolts, flange bolts, carriage bolts, stud bolts, lag bolts, guardrail bolts, tbolts, rivets, and threaded rods. Our fasteners are available in various standards and sizes, ranging from 5mm to 24mm in diameter and 8mm to 300mm in length.

We also offer inch measurements from 1/4 to 1 in diameter and 3/8 to 12 in length. Made from Grade 4.8, 5.8, 8.8, and 10.9 materials, our fasteners are widely used in architectures, machines, power grids, and high-speed guard bars. With a strong focus on quality and service, we are a trusted supplier in domestic markets, as well as in the USA, Europe, and Southeast Asia.

Our commitment to integrity and honesty drives us to build long-lasting relationships with our customers based on trust and reliability. We invite you to do business with us and experience our dedication to quality and service.