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China Mining & Civil New Material Science and Technology Ltd.Jiangsu Sheng, China

Zhen Jiang Xi Men Zi Mu Xian You Xian Gong SiJiangsu Sheng, China

Xi'an Hailian Petrochemical Technology Co., Ltd.Shaanxi Sheng, China

Huizhou Delai Shi Technology Co., Ltd.Guangdong Sheng, China

Daqing High-tech Zone Beiyou Venture Technology Co., Ltd.Heilongjiang Sheng, China

Anhui Kechuang Wisdom Intellectual Property Service Co., Ltd.Anhui Sheng, China

Changzhou Woteng Chemical Technology Co., Ltd.Jiangsu Sheng, China

Taizhou Sunsia Diamond Equipment Co., Ltd.Zhejiang Sheng, China

Dongguan City Beststone Rubber Technology Co. Ltd.

Shanghai Guanghe Optics Manufacture Co. Ltd.Shanghai Shi, China

Chongqing Weichai Engine Factory