... -40K Material:Carbon steel,stainless steel,alloy steel etc Design & Manufacture Std.:ASME B16.5,API 605,MSS SP-44,API ... Office.: NO. 77, Jianzhong South Street,Longwan, Wenzhou,China.-325024 ZHEJIANG HUATIAN STAINLESS STEEL MANUFACTURING CO., LTD. STAINLESS STEEL ELBOWS