The headquarters of Ruihongsheng (Liaoning) Energy-saving Doors and Windows Manufacturing Co., Ltd. is located in Shenyang. It was established in 2014, and its annual sales revenue is now more than 50 million yuan. The factory building covers an area of more than 10,000 square meters, with an annual production capacity of more than 100,000 square meters. Ruihongsheng is committed to creating engineering project doors and windows that can enhance the added value of products for various enterprises, and to making every door and window well for the people. Adhering to the concept of "expanding the market with quality", it has attracted many high-level talents in operation, management and production. With the mission of "building a century-old famous enterprise in China", it helps various enterprises to improve their performance and increase their profits. After continuous research and development and accumulation, in 2015, it newly launched HOMENEST WoCao system doors and windows, a high-end system of doors and windows for domestic and foreign markets.

Relying on its strong production capacity of aluminum profiles, WoCao system doors and windows draw on ten years of operating experience in the doors and windows system. It fully integrates the world's top hardware, thermal insulation strips, rubber strips, supporting accessories, processing equipment, management equipment, management software, as well as shading, blinds and intelligent control products. Combining with China's unique climate conditions, it has created its own design concept of HN-TEC system doors and windows, innovated the H-fine processing technology, the H-seal sealing system and the B8C hardware system. Adhering to the concept of "concentrating on making every door and window well", it provides customers with comfortable, environmentally friendly and personalized good door and window products.