Lianyungang Boulder Industrial Co., Ltd.

Jiangsu Boulder Filtration Technology Co., Ltd.

No. 1069 Jingdu Avenue, Lianyungang Economic Development Zone, Lianyungang, Jiangsu, China

Hubei Boulder Materials Technology Co., Ltd.

Boulder（Hubei）Auto Materials Co., Ltd.

Wangzhou Central Road, Nonwoven Industrial Park, Wangzhou Avenue, Pengchang Town, Xiantao, Hubei, China