The brief technical information as follow:
Material: stainless steel,carbon steel,alloy steel
Standard:  ASTM,AISI,BS,DIN,JIS,ETC
Process: investment casting
Machining: drlling,milling,drinding,threading,CNC machining,etc
Finishing:sand blasting,passivation,polishing,electro-polishing,machining,etc
Certificate: ISO9001:2000