Haikong Nanhai Development Co., Ltd. (hereinafter referred to as Hainan Development), formerly known as AVIC Sanxin Co., Ltd., was founded in 1995 and is headquartered in Shenzhen. The company was successfully listed on the Shenzhen Stock Exchange in 2007 with the stock code: 002163. It is a state-owned listed company under Hainan Development Holdings Co., Ltd., which belongs to the Hainan State-owned Assets Supervision and Administration Commission.

Hainan Development's main business involves three major areas: curtain wall and interior engineering, photovoltaic glass, and special glass deep processing. The company has established modern scientific research and production bases in Hainan, Bengbu, Anhui, Daya Bay, Huizhou, Shenzhen, Zhuhai, Shanghai, Beijing, Chengdu and other places. The company owns registered trademarks such as "Sanxin", "Sanxin Curtain Wall", "AVICGlass", "Essential Special", and "SGT", among which the "Sanxin" trademark is recognized as a "famous brand in Shenzhen". The company now has 2 provincial special glass R&D platforms and 5 national high-tech enterprises.

The company has strong R&D capabilities and engineering design capabilities in architectural curtain wall products. It is one of the early companies in the domestic curtain wall industry to develop and undertake structural glass curtain walls, unit glass curtain walls, metal roofs and double-layer breathing curtain walls. The company is good at the design and construction of high-tech curtain walls such as large space, complex structure, complex special shape, and super high-rise. It has undertaken the construction of Beijing Daxing Airport, Shanghai Pudong International Airport Satellite Hall, Beijing Capital Airport T3, Guangzhou Baiyun Airport, Shenzhen Bao'an Airport T3, Thailand Curtain wall projects of more than 40 key domestic and foreign airports, including Bangkok Airport. The company has undertaken the construction of ultra-high-rise, distorted unit glass curtain wall projects such as Zhuhai Central Building, Zhuhai IFC, Shenzhen Gangxia 350, Dongguan Guomao, and Tianjin 117.

The company has established a modern factory and production base in Daya Bay Park, covering an area of ​​250,000 square meters. It is committed to special glass, focusing on the production of LOW-E hollow glass, which can temper LOW-E glass, flat/bending laminated glass, flat/bending hollow glass , colored glazed glass, color printed glass, bulletproof glass, fireproof glass, photoelectric glass, three-dimensional thermal curved glass and other complete series of building glass products. Glass products have been sold to Hong Kong, Macao, Southeast Asia, South Asia, West Asia, Europe and the United States and other countries and regions.

The company has several intelligent photovoltaic glass production lines in Bengbu, Anhui, with its main products including ultra-white embossed double coating, high-transparent ultra-thin and large-size glass.

The company provides special glass for special air shields for AG600 aircraft. It has good reputation in the fields of household appliance supporting glass such as high-transparency and anti-reflection glass on AR large panels, AR+ITO high-transparency touch screen glass, electronic scales, sweeping robots, etc.