Mario Mancini
Renxin Equipment Manufacturing (Sichuan) Co., Ltd.
Qingdao Nine Alliance Group Co. Ltd.
AP Productions LLC
Mudanjiang Petroleum Tools Co. Ltd.
Sylvac SA
OPENDA TECHNOLOGY (SHENZHEN) CO., LTD.Guangdong Sheng, China
BOB Holding GmbHGermany
Shenzhen Mai'an Thermal Control Technology Co., Ltd.
Medi Service SRL
Hebei Zhongtian Bangzheng Biotechnology Co., Ltd.
Sonic Technology Wuxi Co. Ltd.