Our company insists all along the quality policy of "product quality is base of enterprise survival; customer satisfaction is the staring point and ending of an enterprise; persistent improvement is eternal pursuit of staff" and the consistent purpose of "reputation first, customer first" for corner bead making machine
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.