
Beijing HUEYA Energy Technology Co., Ltd

Lianyungang Gehang Industrial Design Co., Ltd.Jiangsu Sheng, China

Ingersoll Products, Inc.Canada

Tuv Rheinland Shanghai Co. Ltd.

Guangdong Guoshijian Technology Development Co., Ltd.Guangdong Sheng, China

NanTong JiangZhong Photoelectric Co. Ltd.Jiangsu Sheng, China

Bengbu Taixin Material Technology Co., Ltd.

Rongcheng Shengtai Machinery Co. Ltd.Shandong Sheng, China

Xinao (China) Gas Investment Co., Ltd.

Suzhou Kunshan Ruiluka Industrial Electric Appliances Co.,Ltd.Jiangsu Sheng, China

Suli Composite Technology (Huizhou) Co., Ltd.Guangdong Sheng, China

Huai'an Guanzhiyuan Hat Co., Ltd.Jiangsu Sheng, China