... Welding ,Forging ,have forging,costing and heating treatment workshops AnShan Ying Yat Trade Co., Ltd and AnShan HongMing Metallurgical Machinery Co., ... (Grade I, II & III), oil tank, water tank, pipework, environmental control dedusting equipment and galvanizing equipment with different models, bridge, structural ... in Machinery processing, Riveting, Welding ,Forging Casting and Heating treatment