Sirvex SA
Nanchang Tongtian Auto Parts Co., Ltd.
Richard A. Caldwell,
Hangzhou Hengchang Environmental Protection Technology Co., Ltd.
Jiangsu Zhongfan Environmental Technology Co., Ltd.
Shenyang Tianrenheyi Technology Co., Ltd.
Ningbo Deruntang Intelligent Technology Co., Ltd.
Beijing Tongtong Yilian Technology Co., Ltd.
A & T Corp.
Dongyan Hi-Tech (Beijing) Environment Protection Technology Co
Hubei Fengkai Machinery Co., Ltd.
Tonghua Petrochemical Machinery Manufacture Co. Ltd.