Please contact us immediately once you have found the imperfections of bulb replacement . If you have received our second-best product,we will arrange professional staff to verify it. Return of goods or exchanging goods service is provided for you. Before shipment, we will conduct strict test on each product to ensure the quality of product. We pay close attention to the sales service, which can solve problems including handling imperfections of the goods.

Established years ago, Demo Photoelectric Technology (Wuxi) Co., Ltd. Photoelectric Technology (Wuxi) Co., Ltd. has successfully evolved into a professional supplier specialized in designing and manufacturing dual color led module. Demo Led Module's led light engine series contains multiple sub-products. Demo Led Module 3w led module goes through a series of sequential processes. These processes include fabric laying, marking, cutting, stitching, checking, finishing, and pressing. This product comes in various kinds of battery setup. This product is the best option to provide a tangible view of a space. It will beautify the whole view of a space. This product comes in various kinds of battery setup.

Demo Led Module has been always concentrating on the improvement of module led. Welcome to visit our factory!