Changzhou Sanyou Dissan Protective Materials Mfg Co., Ltd. is a subsidiary company of China Aerospace Science and Technology Group, specializing in producing window films. Our company is located in Changzhou City, Jiangsu Province of China. We currently have 7 international advanced WF production lines, with an annual product capability of 40, 000, 000sqm, and our company is the largest one in Asia now in this industry. Our main products are Glue film, Dyed film, IR film, and Sputtered film. We completely import the high quality raw materials from South Korea and Japan, combined the advanced manufacturing technique to produce our products. Our products are widely export to the USA, Europe, South Korea, South America and other countries and regions.