Shanghai YuNai Board Industry Co., Ltd. (referred to: YUNAl), focuses on research, development and production of the roof lighting, energy conservation and environmental protection material, is a leading domestic polycarbonate PC solid sheet, polycarbonate hollow sheet, FRP composite materials sheet manufacturer, with its business being carried out all over the world.
Guangdong Junnai Shading Material Sci. & Tech. Co., Ltd. is a professional production and sale of senior engineering plastic stent and aluminum stent, high-quality set Design, service, as one of the integrated high-tech enterprises. With independent high-tech production technology and the same industry with the manufacturing process, is the industry leader in the production enterprises.