Guanghua Company was established in 2003 and continues to provide high-end supporting products to steel structure customers. The lighting and ventilation company established in 2008 is a professional lighting, ventilation and smoke exhaust system supplier. Its products have passed ISO9001 quality system, IS014000 environmental system certification, FM certification, CE certification, and fire protection certification of the Ministry of Public Security.

The company has 44 patented technologies including nail-free and glue-free waterproof sunroof, efficient and thin ventilation sunroof, and has participated in the editing of 15J207-1, 18J811-1, 18J621-3, and has edited the editor of 18CJ87-1 "Daising, ventilation, fire smoke exhaust "Skylight" national standard collection, continuously promoting the development of the industry.

In 2016, Guanghua Company learned German technology and launched the high-end "Rodat" series of products with advanced integrated and prefabricated product design concepts, solving the water leakage of the skylight that has always plagued the industry, complex on-site construction, poor quality control, and construction cycle. A series of questions long and wait.

In order to better meet customer requirements, in 2020, Guanghua Company and German skylight expert Mr. Weyers jointly invested in the construction of the Nanjing factory and introduced advanced European skylight assembly line, which significantly improved production capacity and laid the foundation for Guanghua Company to enter the international market.

At present, the "Rodda" series serves the world and provides high-end products to thousands of customers, including Zhoushan Boeing Aircraft Delivery Center, Chengdu Tianfu International Airport, BMW Automobile, Audi Automobile, Nanjing Byton Automobile, Dalian Volkswagen, Guangzhou Evergrande, Dongfeng Nissan , Xi'an Baoneng, Toyota Motor, Xi'an Metro, JD Logistics, BMW Automobile, Hunan CRRC, Beijing-Zhangjia Railway, Shanghai Tesla project and other large cases.

The "Rodda" series of products meet high-end users with international standards; Guanghuaren always stands at the forefront of the industry, providing customers with high-quality products and multi-faceted services, never forgetting their original aspirations and forging ahead.