Hubei E Wan High Technolog is a professional R&D, manufactory and sales of WI-SGP interlayer film that is a new type of environment-friendly and safe material. We worked with some Ph. D Supervisors in most famous universities as Sichuan University, NUEPLA (Navy University of Engineering of PLA), Hubei University for 6 years, to complete the fomula of raw materials and additives for production of WI-SGP, technical installation of production equipments, improvement of production and processing. We realized WI-SGP&＃39;s industrial production on the base of independent R&D and trial production. We also established School-Enterprise R&D Center together with HUST (Huazhong University of Science and Technology), and owed several professors and specialist who are engaging in R&D and application of new products in WI-SGP industry.We set up Anhui E Wan New Material Co., Ltd with Lu&＃39;an Government of Anhui Province with capital of USD 8 million (RMB50 million), as manufacturing base of WI-SGP.WI-SGP has higher transparency, higher bonding strength and longer lifetime than PVB. For technical data about WI-SGP and more information about us, please refer to the attached company brochure, thank you.