... 1)carbon/alloy/stainless steel, iron... 2)OEM, ODM 3)ASTM, DIN, BS, JIS 4)17 years' experience ... Material: carbon steel, alloy steel, stainless steel, iron, etc.3) Machining: turning, milling, drilling, grinding, threading, CNC machining.4 ... RT(radiograph test), UT(ultrasonic test), PT(presure test), CMM(Coordinate measuring machine), SI(Surface indicator), HT( hardness test)Export Market/ RatioEurope ...