Jinggai Bizizhu Tieguan

Jinan Xing Longjinggai Co., Ltd. (Jinan International Hardware & Electromechanics City Shop)

Jinggaihu Lanlvyi Yushui Bizi Wholesale

Jinan Shengbaihe Building Materials Co., Ltd. (Lingdian International Commerce Plaza Branch)

Zhutieguan Jinggai (Kezhan Building Materials)

Jinggaizhu Tieguan