Cutting material,die stamping,polishing,deoilling,derusting,blackening,washing,brushing,baking,
painting the pattem,glazing and then clean it again.
Lighting industry has developed quickly, the delay in the introduction of national standards; shoddy lighting products on the market appear frequently now.
In face of fierce competition in lighting industries, some small businesses are breaking the quality bottom line with low-cost strategy to snatch the market under the pressure of survival.
Lighting parameters are various, and consumers do not have the professional knowledge and can not distinguish the quality; usually quality problems will appear after a year or so.
Illegal enterprises are becoming more and more, product quality can not be guaranteed (there is no R & D team, production equipment and testing equipment).