Proses dram keluli kimia

Proses tong besi: pemotongan badan tong, stamping penutup tong, stamping cincin komposit, stamping logo, pembulatan, pengelasan spot, pengelasan jahitan, tulang rusuk cincin, bebibir, leher, gegelung tiub, keriting, tangga titik, pemotongan badan gelung, Roll Forming, Hoop Spot Welding, Hoop Gas Welding, Blanking Blanking, Punching, Tight Ear Roller, Stamping, Handle Electric Welding, Fitting Assembly, Sealer Spot Welding, Surface Treatment, Paint Spraying, Marker Screen Printing, Glue injection on tutup, pemeriksaan pemasangan akhir. Proses rawatan permukaan: penghapusan derusting dan slag, degreasing, acar, pencucian air, fosfat, penaik.