TradeVerify Sanfusin Enterprise Co., Ltd. was established in 2009. We provide the best Customer Service is our priority. If customer has any problem or demand, we always supply the perfect solution to you and looking forward to have a chance to work with you.Sanfusin?s products are widely distributed globally. Product lines include LED Writing Board and LED Ultra-thin Light Box. LED Writing Board and LED Ultra-thin Box are new high-tech advertising products. Our products are different than the traditional writing board or light box.We only manufacture high quality LED advertising products. Welcome to be our dealer or ask us for more information.LED Writing Board and LED Ultra-thin Light Box are available for all of our customers, no matter how large or small the purchase. So feel free to contact us via e-mail or fax, skype or telephone with any comments, questions, or bulk size quotes. We look forward to hear from you!