... HIGH-PRESSURE, MEDIUM-PRESSURE,LOW-PRESSURE, CARBON STEEL, ALLOY STEEL AND STAINLESS STEEL ELBOWS, TEES, REDUCERS, CAPS, BENDS.PRODUCTION STANDARDSASME ... Co., Ltd. was established in 2007, invested by Kum Kang Corporation from Korea. We specialize in producing high quality Carbon Steel, Stainless Steel & Alloyed Steel ... are 105 staffs including 5 senior engineers.] stainless steel sch80 pipe fittings