... founded in August 1996. We We have 3 foundries, two of which adopt waterglass process located in Longquan District, Chengdu, ... ahout 250 emplyees in our company. 3. Main Specifications of Precision Casting Parts ProcessLost wax casting(Silica sol process or ... Professional technical services4, Products with much patents5, 17 years experience of mechanical seal6, ISO90017, We accept O/A and all kinds ...