Shandong Taiwo Heavy Industry Co., Ltd.

Tai 'an Shelley Storage Machinery Equipment Co. LTD

Tai'an Guangyuan International Trade Co., Ltd.

Tai’an City jiamei textile co., LTD

Shandong Hengze New Material Co., Ltd.

Tai'an Dingkun New Materials Co. , Ltd.

Taian Hengda Steel Ball Co. , Ltd.

Tai'an Hailin Machinery Manufacturing Co. , Ltd.

Taian Strength Mechanical and Electrical Equipment Co. LTD

Tai'an sea number

Taian Ruiheng Building Material Co., Ltd.