... FlangeOther Type: Slip-On, Welding Neck, Blind, Socket Welding, Lap Joint,Threaded and Plate etc.Pressure Ratings: Class 150, 300, 600 ... and international business trading. Her sub-company: Golden Ocean Casting & Forge Co., Ltd. is a stock company established in 1998 which manufactures and ... or designs. The annual yield of forging capacity of our company is about 5000 tons per year. The range of ...