Precision screw machining for custom-made parts. Now,we are qualified supplier of FITT. KARCHER,FAN-GROUP. ... punching machines, 100 sets of instrument lathe,2 sets of assembly line , manufactured under ISO9001:2008 certified factory they have a ... your volume orders. The main products including fittings,nozzles,sparyers,Precision screw machining.... Our dedication, plus the company's knowledge and ...