Yamei Heat Preservation Material

Huamei Heat Preservation Fire Prevention (Ningbo Ruifeng Commodity Exchange & Expo City Hardware Electrics and Chemicals Market Branch)

Ningbo Xinmanxin Heat Preservation Material Co., Ltd.

Ningbo Yinzhou Shishuo Heat Preservation Material Co., Ltd.

Security Wangtugong Material Factory Jiazhiying

Yuyan Waterproof Antisepsis Material Business Department