qingzhou sande cold-bend machinery manufacturing co.,ltd.， located in the time-honored ,one of the ancient gatherings of talents of kyushu --- qingzhou city, is a modern cold-bend manufacturing copany integrating research and development, equipment-manufacturing and technology transferring into one whole.
the technology department brings together many senior engineers of the industry and it owns dozens modern international utility model patent.
professional production: sections of the garage door series forming units, continental hollow composite shutter unit, o-type roller shutters nc machine, molding machine difficult materials heterosexual. and we also manufacture a variety of cold-formed device as users’ requirements. our products are sold in regions all over the country and enjoy high reputation of our customer.