1. Changsha Sanyou Protective Facilities Co., Ltd.

Main products: stainless steel connecting pieces; Anti-theft doors and windows; Fence; Stretch bending processing; Bending processing; Flat iron flange; Angle iron flange.

address: shumuling private enterprise, yuhua district, Changsha city, Hunan province, China

2. Shanghai rongfeng HVAC equipment co., ltd.

main products: air duct, galvanized tin sheet air duct, smoke exhaust duct, ventilation duct, new air duct, exhaust duct, stainless steel air duct, spiral duct and angle iron flange processing.

Address: Building 3, No.317 Xiangting Road, Chedun Town, Songjiang District, Shanghai

3. Nanjing Xinke Ventilation Equipment Co., Ltd.

Main products: * * * plate flange air duct, spiral duct, angle iron flange air duct, smoke exhaust and ventilation project of workshop kitchen.

Address: Workshop of Mafu Village, Mafu Community, Lukou Street, Jiangning District, Nanjing

4. Dawei Hardware Processing Factory, Chancheng District, Foshan City

Main products: round duct angle iron flange; Hardware processing; Mold storage rack.

Address: Ping, Huayuan East Road, Chancheng District, Foshan City, Guangdong Province, China

5. Xi 'an Weixing Ventilation Engineering Department

Main products: processing and installing ventilation pipes; OEM angle iron flange.

Address: No.761 Ziqiang East Road, Xincheng District, Xi 'an, Shaanxi.