1, Strict quality control 2, Good quality 3, Reasonable price 4,OEM are welcomed Product:forged rotor Material:carbon steel, alloy steel, stainless steelProcess:open die forgingUT test:100% ultrasonic test according to EN10228-3, SA388, Sep 1921 C/c etStandards:GB, JIS, AISI, SAE, ASTM/ASME, EN, DIN, GOSTCertification:ISO9001: 2000, CCS