Jingjiang Changtai Machinery Technology Co.,Ltd specializes in u-bolts and pipe clamps for several years. All products strictly follow ISO9001 standard.Many large companies such as CIMC CSIC CNPC all have long-term cooperation with us. We keep on developing advanced technologies and have established a complete system, including R&D, production and inspection.OEM ODM are welcomed and we have the confidence to be your first choice.