Export standard package 15--35 days after order signed precision steel casting gear Various Size Dalian Sun investment Co ... by us. 5. Advantages:1. Non-standard/standard/OEM/ODM/customized service provided2. high precision, tolerance can be ±0.002mm3. No ... JIS,ASTM,AISI,BS,GB standardPrecision steel casting 1. Description: Precision Investment, Lost Wax Process..........2. Material: Stainless steel, ...