Qingdao Jin Donghai office furniture manufacturers supply cupboard steel cabinet cabinet file cabinet more wardrobe

Qingdao Jin Donghai office furniture production of metal cabinets material selection Shanghai Baoshan Iron and Steel production of high quality cold-rolled steel sheet, plate thickness not less than 0.7mm. Metal film thickness not less than 0.1mm-0.2mm. All artifacts after punching, bending, welding together, welding surface smooth, solder joints, no glitches, no inclusions. After the semi-finished debugging related adjustments. After debugging through all the workpiece acid phosphate nine stations before and electrostatic spraying. Hardware accessories imported hardware accessories.