... no matter what kind of equipment, most of them use pipe, mainly used for oil, Ningbo Yinzhou old Lin Liangyong ... manufacturing:1, Single-head hydraulic bending machine, Double hydraulic pipe bender, pipe reducing machine, metal circular sawing machine, making teeth for ... medium-sized lathes, 4H-type milling machine, instrument cart, drill press and other finishing equipment.5, line cutting, shearing, ...