Guangzhou Yikang Environmental Protection Equipment Co., Ltd.
Dongying Yuchen Technology Co., Ltd.
Hunan Nanshan Food Co. Ltd.
Corradi Giuseppe Impresa Individuale
Asbestos Diseases Research Institute
Sichuan Electric Power Company Meishan Company
Daewoo Metal Co. Ltd.
Yiyang County Xinqingjia Industry Co.,Ltd.
Nanjing Huaxian Hi-Tech Co., Ltd.
Biomate Co., Ltd.
Lixian Tengfei Chemical Co. Ltd.
Guangdong Jiwei Technology Co., Ltd.