The DongGuan DunShi Optoelectronic Co.,LTD was founded in July 2009 is set research and development the production, the sale of one ofthe LED the production processing enterprises, the factory has professional technology development personnel, professional testing equipment, has special after-sale service team, stable quality, delivery must products high performance/price ratio, the aim of our company is: honest sale business, pay great attention to product, customer satisfaction as the goal, ...