... pump parts; 2.Material:cast iron/cast steel 3.Technology:sand casting, CNC maching 4.Certification:ISO 9001:2008; 5, application:centrifugal ... maching high precision parts, fabricating housings, valve bodies, pump bodies, sensor bodies, food and equipment parts and auto ... regions. Hua Feng aims to exceed customers' exception with strictly controlled product quality and passed ISO9001:2008 certification, ...