Hyundai Tongfeng (Nantong Liyun Environmental Protection Tongfeng Equipment Co., Ltd.)

Wanxin Tongfeng (Yuansheng HVAC)

Xinrong Tongfeng Engineering

Dachu Stainless Steel Tongfeng

Xinfa Aluminium (Nantong General Agency)

Huangping Jinggai Building Materials Wholesale