... signed casting block connector Various Size Dalian Sun investment Co.,Ltd is a professional factory which in high precision casting parts ... Non-standard/standard/OEM/ODM/customized service provided2. high precision, tolerance can be ±0.002mm3. No MOQ, no ... DIN,JIS,ASTM,AISI,BS,GB standardPrecision steel casting 1. Description: Precision Investment, Lost Wax Process..........2. Material: Stainless ...