As a ISO9001: 2008 quality control and PED3.1 certificated manufacturer Ring forgings manufacturer, huaerdong have reach capability 15, 000 Tons yearly. 23, 000 square meteres of factory 130 employees including including 30 engineers. 3m, 5m, 10m (under construction) ring rolling production lines 1600T and 7000T hydraulic presses ^. Features: 1) Standard: ANSI, ASME, API, DIN, JIS, JPI, UNI, BS, etc. 2) Material: 50Mn, 42CrMo, 20# 35# 45#, S48C, or according to customer's requirement 3) Type: Welding neck, Socket welding, Slip-on, Threaded, Lap joint, Blind, etc. 4) Size: According to customer's requirement 5) Pressure: Class150-2500, 5K-30K, PN0.25-32Mpa 6) Packing: Wooden case, Pallet or according to customer's requirement 7) Delivery time: 12-60 days or according to customer's requirement 8) Others: Special design available