Shanghai Sanyi Advertising Technology Development Co., Ltd. (Sanyi Technology) is a leading manufacturer in China, specializing in developing, manufacturing and marketing for large format advertising equipment. We have been in this industry for more than 10 years. Our sales and service networks have covered all over the world. Sanyi Technology has obtained high compliment and popularity in the market. Quality is always considered as the foundation for our standard and growth. We proudly provide stable and excellent products for our domestic and international customers. Our sales and technical staff are highly trained, experienced and professional. We can offer our clients comprehensive and logical value and solutions to fit for different demands. The best prices are assured along with lifetime product support. Our valuable customers can be assured for your valued purchase. Our culture