1. Process: Die Forging, Free Foring with machining 2. Heat Treatment: Temper, Quench etc. 3. Surface Treatment: Polish, Plati Our factory has the ability to make flanges of diameter ≤2,000mm and ≤15T/pc,including forgings, forged hardening, machinery cutting, rough cuttingand tempering.This sort of product is manufactured and inspected according to the national standardssuch as GB/T6402-91, ...