CNC machining parts aluminum parts machining components. small precision parts. OEM is OK. KAO YI MACHINERY FITTINGS(SHANGHAI) CO., LTD , One of manufacture unit of YUAN YI company, Supply custom manufactured parts and standard components as per customers design, drawings and specific requirements.r Machining lathes: auto lathe, CNC machining, CNC turning, CNC cutting, CNC milling, threading, ...