1. Beijing Jinlong Decheng Ventilation Technology Co., Ltd.

Main products: Beijing ventilation pipeline processing plant, kitchen smoke exhaust pipeline, oil fume purifier, air purifier and ventilation equipment.

Address: 51 meters north of Huangyi Road, Daxing District, Beijing

2. Xincheng Ventilation Equipment Factory, Nanhai District, Foshan City

Main products: galvanized spiral duct, dust removal ventilation pipes, tin elbow, pneumatic gate valve, spiral duct processing factory

Address: Yiheng Road, Chongkou Industrial Zone, Xiadong, Guicheng Street

3. Puyang Xinfangrong Metal Products Co., Ltd. < Accessories of air valve and ventilation system

Address: Hualong District, Puyang City, Henan Province

4. Handan Keshuo Ventilation Equipment Installation Co., Ltd.

Main products: ventilation pipes, spiral duct, tin sheet processing

Address: Wanhe Electromechanical Market, Airport Road, Handan City

5. Shanxi Hongrui Ventilation Equipment Trading Co., Ltd.

Main products: galvanized iron stainless steel smoke exhaust pipes, ventilation.