Hebei Huali Rockwool Manufacturing Co., Ltd.

Wenma Forming and Shoring Co., Ltd.

SHANGHAI BOILER WORKS CO., LTD.

Kunshan Changrui Air Conditioning Purification TechnologyCo., Ltd.

Shandong Huaning Electric Tracing Technology Co.,Ltd.

Xinjiang Zhongtai Special Electric Equipment Co., Ltd.

Henan Dingli Pole & Tower Co., Ltd.

Ningbo Donghai Group Co., Ltd.

SHANGHAI AOXUAN PURIFICATION TECHNOLOGY CO., LTD.

QINGDAO HUIJINTONG POWER EQUIPMENT CO., LTD.

Guangxi Liugong Machinery Co., Ltd.

INNER MONGOLIA BAOTOU STEEL UNION CO., LTD.

Gansu JISCO Group Hongxing Iron and Steel Co., Ltd.

HENGYANG VALIN STEEL TUBE CO., LTD.

Jingye Group Co., Ltd.

Yanda (Haimen) Heavy Equipment Manufacturing Co., Ltd.

Nanjing Electric Technology Group Co., Ltd.

Sichuan Zhongtai Uniteddesign Co., Ltd.

Xiangtan Iron & Steel Group Co., Ltd.

Tianjin Yatailong Thermal Control Technology Co., Ltd.

Shanghai Liancheng (Group) Co., Ltd.