Instrumentation GDD Inc is a world leader in hightech geophysical instrumentation for mining and exploration geophysics groundwater exploration geotechnical investigations and other related fields Since 1976 GDD has developed manufactured and sold a wide range of Electromagnetic EM and ResistivityInduced Polarization geophysical instruments...We are a professional mining machinery manufacturer, the main equipment including: jaw crusher, cone crusher and other sandstone equipment;Ball mill, flotation machine, concentrator and other beneficiation equipment; Powder Grinding Plant, rotary dryer, briquette machine, mining, metallurgy and other related equipment. which can crush all kinds of metal and non-metallic ore, also can be dry grinding and wet grinding.If you are interested in our products or want to visit the nearby production site, you can click the button below to consult us.Welcome to our factory to test machine for free!
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Headquarters address: Zhengzhou, China
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