Dongying Tianzheng Chemical Co., Ltd.
Liaoning North Environmental Protection Co., Ltd.Liaoning Sheng, China
Hangzhou Shuodian Technology Co., Ltd.
Tianjin Dingzhan Petroleum Machinery Co., Ltd.Tianjin Shi, China
Junsheng Technology (Qinzhou) Co., Ltd.Guangxi Zhuangzu Zizhiqu, China
Xiamen Kehuan Marine Biotechnology Co., Ltd.Fujian Sheng, China
Longkou Shengyuan Machinery Parts Co., Ltd.
Tianjin Ultrasonic Technology Co., Ltd.Tianjin Shi, China
Dujiangyan Jiayu Trading Co., Ltd.Sichuan Sheng, China
Dan Science Co. Ltd.Japan
Dongtai Haipeng Ship Parts Co., Ltd.Jiangsu Sheng, China
Longquan Guyou Automation Equipment Co., Ltd.Zhejiang Sheng, China