Shenzhen Jin Yue Curtain Wall Decoration Engineering Co., Ltd. was established in 1985. It is a key holding enterprise of Guangdong Guangsheng Nonferrous Metals Group Co., Ltd., a first-class enterprise of building curtain wall construction, with Grade A design qualification of building curtain wall, AAA bank credit rating and vice president of china construction metal structure association. The company has six national patents and is the founder of China Hidden Frame Curtain Wall. The company has developed a variety of curtain walls, doors and windows, such as tie-rod point curtain wall, cable point curtain wall, ventilation and breathing curtain wall, electric venetian blinds system, 360 rotating window, subway high-strength wind-proof window and so on. The company organized and compiled the first "Training Textbook for Building Decoration Curtain Wall Workers" and published it publicly, and established the first curtain wall technical training workstation in China.