... more than30 years, with the strength of heavy forging, forging parts, heads and pressure vessel.We passed GB/T19001- ... license of pressure vessel design and manufacture, and major forging equipments are hydraulic forging press of 6000T, 4000T and 2500T, digital ring ... roller machine of OD 4000mm, OD1250mm, oil hydraulic forging press of 10000T, 5000T, 4000T. Our major products are ...