Positive PS plate 1.Passed ISO9001:2000 2.High Resolution&Sensitivity 3.Water Ink balance 4.Excellent Dot Reproduction positive ps plateHua Rui BRAND Conventional PS Positive plate YP-II High-quality AL plate for special purpose, Multi-layer ultra fine-grain, even coating.It has advantages of high speed, excellent dot reproduction, wide latitude of development and exposure, quick inking. It is ...