1.ISO9001-2000 Certified 2.Steel Die Forgings 3.Heat Treatment 4.CNC Machining 5.Various surface treatment Features: 1) Different forgings with customers' designs2) Standards: ASTM, ASME, AISI, API, UNI, DIN, SIS and EURONORM 3) Materials: carbon and stainless steel 4) Outside diameter: 5,000mm (max.)5) Face height: 800mm (max.)6)Max weight: 16000 Kgs7) Produced in rolled heat-treated and ...