
Shandong Aotai Machinery Co., Ltd.Shandong Sheng, China

Invention Development Management Co. LlcDelaware, United States

Jiangsu Aosai Industrial Seal Co., Ltd.Jiangsu Sheng, China

Jiaxing Yuchuang Power Technology Co., Ltd.Zhejiang Sheng, China

Jiangsu Haitel Machinery Co., Ltd.Jiangsu Sheng, China

Shanxi Provincial Water Conservancy Construction Engineering Bureau Group Co., Ltd.Shanxi Sheng, China

Huzhou Dongwu Construction Co., Ltd.Zhejiang Sheng, China

Guangdong Guangye Equipment Science & Technology Research InstGuangdong Sheng, China

Cambridge Polymer Group, Inc.

Shanghai Crescent Tools Co., Ltd.Shanghai Shi, China

Wuhan Jiahua Automotive Plastic Products Co. Ltd.

Ningbo Liuhe Packaging Co. Ltd.