... 1,100 SET OF CNC machines for high output with quick delivery 2,Skilled and rich experienced staff. ... 20 sets of punching machines for punching process.5, One Hot-forging machine6,2 sets of Vibration bolishing machines ... ,Depth gages.4, thread gages,ring threads gages with many sizes,NPT,NPTF,BSPP,BSPT,NH,M...5 ... gauge8,Many go.no-go pins. Precision steel hydraulic fitting with plating zinc is available.