Profile: Foshan Senxin Optoelectronics Technology Co., Ltd is a manufacturer of LED products which mainly deals with true color, seven-color and single color pixel lights. We are an ISO 9001 certified company. LED display perforation /channel letter lights include outside material such as transparent PVC. The hole diameter is 9/12 mm. The animation effect is misplaced, the holes would not be able to move after they are workable, otherwise the words will be deformed. We offer indoor transformers, outdoor transformers and constant current transformers.