We don't send parts out for pretreatment, all process would be supervised under inspection department. 7 stages pretreatment meet international standard. Baking at high temperature after power coating to ensure the paint finish.
Control from material
All bolts and screws are of SS material. Mild steel ERW rectangular tubes or sheets 1.2-2.0mm thickness, meet EU standard. Plastic material is ABS only. Durable and Sturdy. At least 10 years lifetime. Different colors for options.
Control from inspection
Process inspections after cold working, acid washing, powder coating and assembling. Final inspection before loading in random checking.