Huakai Group is a professional R&D and production manufacturer of polymer material PVB film. We have the most advanced production line and R&D team in China to build a first-line brand enterprise of PVB film in China. In order to meet the needs of customers, Huakai Group customizes new models for foreign customers. PVB film, F-light gray PVB film with blue/green/gray shade band, to build the first enterprise in China to develop, produce and produce F-light gray PVB film with blue shade band, light copper PVB film with blue and other color striped shade band can be produced, has been successful research and development,F- light gray PVB film with blue shade band has been exported abroad about 10 containers, and has received satisfactory feedback from foreign customers, thank you.