metal welding services. 1.professional custom drawing service. 2.co2 protect welding, ... :cutting,sawing,welding, destressing,turning,milling,shot blasting,grinding,surface treatment and so onQuanlity control: Internal staffInspection equipment and ... > CNC Machining, Drilling> Powder Coating> Assembling painted components 2) Surface treatment: spray-paint, Silk Screen, Power Coating, Polish &Brush ...