We've our have sales staff, style and design staff, technical crew, QC team and package workforce. We've strict excellent control procedures for each system. Also, all of our workers are experienced in printing field for flange socket bend all socket bend
Because we stay with this line about 10 years. We got most effective suppliers aid on good quality and price. And we had weed out suppliers with poor high quality. Now lots of OEM factories cooperated with us too.