... ,punching,bending,drilling,welding 2.bending parts according to drawing Qingdao Lianhai Hydraulic Machinery Co.,Ltd is the top-ranking manufacturer of mechanical ... China.We can use the advanced technology of machining to manufacture,for instance,CNC Hydraulic bending,Foundry,Pressing,Mold,CNC Flame Cutting ... applied to various industries4.ODM/OEM serive5.ISO certificate: metal bending part of B08