... Machinery Co., Ltd.is Undertaking the production line of steel rolli Anshan Ying Yat Trading ... of high frequency welded pipe machine, channel steel, H-section, Angle, I-beam, deformed bar, wire rod and all kinds of high-tech mill.The ... machine R4M, R6M4. Steel rolling production lineWe also undertake designing, processing and installing of various mechanical equipments, manufacturing and fabricating the ...