xi lanh-pit tong-Cylinder-piston-xy lanh xi lanh Jeffett QGCX32-30-H QGCX32-80-H xi lanh

xi lanh-pit tong-Cylinder-piston-xy lanh xi lanh Jeffett QGCX20-90-HK QGCX20-100-HK xi lanh, xi lanh-pit tong-Cylinder-piston-xy lanh xi lanh Jeffett QGCX25-50-S-K2 QGCX25-80-SK xi lanh, xi lanh-pit tong-Cylinder-piston-xy lanh xi lanh Jeffett QGCX32-30-H QGCX32-80-H xi lanh