Over the past 13 years, xinyongcheng has focused on the R & D, production and sales of photoresist, infrared transmitting tube, photodiode / infrared transmitting receiving tube, PIR and infrared lamp board. The strong technical team of the factory can customize the development for customers. The products are made of selected high-quality raw materials and fully automated equipment. The company has 12 high-end R & D equipment and more than 20 invention and utility model patents. It is a national high-tech enterprise and has served more than 100 listed enterprises and 2000 customers at home and abroad