
Ministry of Land and Resources Jewelry and Jade Jewelry Management Center Shenzhen Jewelry Research Institute

Hunan Weige Magnetic Fluid Co., Ltd.Hunan Sheng, China

Shenzhen Yongda Kang Precision Technology Co., Ltd.Guangdong Sheng, China

Nan'an Gaojie Technology Group Co., Ltd.Fujian Sheng, China

Benxi Yinlong Prestressed Material Co., Ltd.

Maanshan Lvye Ecological Agriculture (Group) Co., Ltd.Anhui Sheng, China

Saerfu Henan Agrochemical Co. Ltd.Henan Sheng, China

Kunshan Hongshida Intelligent Technology Co., Ltd.Jiangsu Sheng, China

Hebei Lisen Petroleum Machinery Co., Ltd.Hebei Sheng, China

Ningbo Yongxiang Copper Pipe Co., Ltd.Zhejiang Sheng, China

Anhui Langyi Industrial Automation System Co., Ltd.Anhui Sheng, China

Suzhou Kastech Automation Equipment Co., Ltd.