LA4440 mainly integrated circuits, laser engraving machine, laser engraving machine, photosensitive seal machine, laser tube, thermal insulation coatings, photo board and other Electrical Products.

• 主要有LA4440集成电路，激光雕刻机，激光雕版机,光敏印章机,激光灯管,隔热保温涂料,光敏机电路板等其他产品。