
Mark Manufacturing Co.

Jiangyin Furen High-Tech Co. Ltd.

Shanghai Lange Technology Co., Ltd.

Ningbo Dahua Grinding Wheel Co. Ltd.

Shenzhen Zuokou Trading Co., Ltd.

Shaanxi Ruijin Electronic Technology Co. Ltd.

Jiangsu Institute of Metrology (Jiangsu Energy Measurement Data Center)

Shenzhen Huipu Energy Technology Co. Ltd.

Guangzhou Shangxin Purification Engineering Co., Ltd.

Greeniron H2 AB

Mi-ae Seo

Kang Mi Young YangSouth Korea