Parnall & Sons Ltd.
Nihon Unica Corp.Japan
Hansu Intelligent Technology (Shanghai) Co., Ltd.Shanghai Shi, China
Shenzhen Yinlvhu Jewelry Co., Ltd.Guangdong Sheng, China
Jinjiang Terui Mould Co., Ltd.Fujian Sheng, China
Jiangxi Zhongchuang Optoelectronics Technology Co., Ltd.Jiangxi Sheng, China
Donghai Jingshengyuan Silicon Powder Co., Ltd.Jiangsu Sheng, China
Hummer GmbHAustria
Wenzhou Feiyang Electric Co. Ltd.
Shanghai Water Conservancy Engineering Group Co., Ltd.Shanghai Shi, China
Shandong Modern UniversityShandong Sheng, China
Changzhou Chengerzheng Environmental Protection Technology Co., Ltd.Jiangsu Sheng, China