Hydraulic Manifold, CNC Machining Part, Custom Gears manufacturer / supplier in China, offering AISI 4140 Alloy Steel Precision Shaft with Multi-Threaded Connection Points CNC Machining, High-Strength Steel Sleeve with Fine Threads CNC Machined for Heavy-Duty Machinery, Lightweight Precision AISI 440c Hydraulic Sleeve CNC Machining for Automated Machinery and so on.