Changchun Kaishen Seal Material Co., Ltd. (Zhengmao Production Means Market Shop)

Three-dimensional Rubber (Kaili Changchun International Industrial Products Trade Zhongxindian)

Qingdao Brilliance Rubber (Kaili Industrial Zone Trade Zhongxindian)

Huamei Heat Preservation Material (Kaili Changchun International Industrial Products Trade Zhongxindian)

Baosheng Cable General Agent

Xingwang Bitumen Lengbuliao Building Materials