Shenzhen Shenghao Optical Display Electronics Co., Ltd, specializes in designing, researching, manufacturing and selling all kinds of led displays. Shenzhen Shenghao Optical Display Electronics ... is an LED Display company you can count on for its good quality and competitive pricing. Shenghao values quality as its lifeline. From the raw material testing to manufacturing, assembly and aging test, we carry out every step one by one according to ISO9001:2000 international quality control system strictly to guarantee the ***** company is CE certified and ROHS ***** prices are very competitive based on mass production sales due to our OEM service. Our assurance is to provide our customers best products with high quality and most reasonable prices above your level of satisfaction. We guarantee all our products for 12 months and provide lifetime maintenance charging only for raw materials. We provide an excellent after-sale service, which contains free training, free CAD drawings, installation DVD for more convenience and free consultation lifetime, and we will inspect our products which have been sold periodically.</p>