Beijing Qunsheng Beiyimen Industry Co., Ltd. (referred to as "Beiyimen Industry") was established in 2008 with a registered capital of 61.79 million yuan and has a history of 18 years. The company Yuanqiyuan was established in 1996 and is one of the earliest manufacturers in China to focus on blast resistant/explosion-proof doors and windows. The "Beiyi" brand enjoys high popularity in the field of special doors and windows, and has won honors such as "China Famous Brand" multiple times; We have accumulated a stable customer base and good reputation in industries such as petroleum, chemical, military, mining, and pharmaceuticals. The products are exported nationwide and to more than 20 countries and regions including the United States, New Zealand, Russia, India, North Korea, etc. They have established a good brand image in overseas markets and are highly recognized by customers.

The company has a general office, finance department, research and development department (with new product and technology laboratories), marketing department (domestic and foreign), procurement department, production department, installation site department, and after-sales department.

The company adheres to the concept of becoming the preferred choice for customers from satisfying them to meeting their needs, continuously increasing research and development investment, and paying special attention to the research and development of overseas products.