Dobosen is an export-oriented manufacturing department that integrates the R&D, production and sales, and set up a perfect system with numerical control device (bending machine, engraving machine, etc), channel letter aluminum coil (key point) and the process of word making. our company also innovate the process of word making, If you have interest, and we will also teach you the latest technology for free. Our company with high quality products and perfect after sale service to meet the needs of our customers, Dobosen is willing to join hands with you to create a better future!