Different types of products include high strength bolts, hex bolts, hex socket head cap screws, foundation bolts, stud bolts, U bolts, bolts for electric power steel tower, bolts for oil well, etc.
Founded in 2008, Haiyan Changde Hardware Manufacturing Co. , Ltd. specializes in manufacturing carriage bolts, hex bolts and guard bolts with standards of DIN, ANSI and GB and non-standard bolts.