Jinan Laiken Building Materials Co., Ltd. (Taishan Plaster)

Jinan Chonggao Construction Material Co., Ltd.

Shandong Jishi Building Materials Co., Ltd. (Xinrong No.9 Branch)

Delin Hardware and Building Materials

Jinan Zhengshang Building Materials Co., Ltd.

Jinan Tejin Standard Element Co., Ltd. (Jinan International Hardware & Electromechanics City Shop)