... There are 10 production lines and complete quality control system (ISO9001).3. Make PC, ABS, PVC, PS ... PMMA tube with transparent, milk white, and any color.4. We can accord to customer's demand ... We also supply the square tube, deltoidal tube, color tube and some special style for customers' design ... please email us . Please include the quantity, color and thickness you are looking for. We are offering ...