... control system (ISO9001).We can make transparent, milk white, colored tubes with PMMA, PC, ABS, PVC, PS. It can accord to ... light and so on. The main diameter of the round tubes are as below (unit: mm): 1.5,2.5,3 ... triangular tube(mm):75,65 We also supply the square tubes, deltoid tubes and some special style for customer's request. pink ...