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Jiangsu Institute of Quality and Standardization
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Yiyang Zhongran City Gas Development Co., Ltd.
AVIC Tongfei Research Institute Co., Ltd.
Mingxu Enterprise Co., Ltd
Beijing Orangelamp Geophysical Exploration Co., Ltd.
C-Chem AGZug, Switzerland
Sunshore Solar Energy Co., Ltd.Jiangsu Sheng, China
Proserv Gilmore Valve LLCUnited States