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2018-09-11
... Aluminum Coil Stock 3102 Soft Temper, Hydrophobic coating aluminum foil​ for heat exchangers &air conditioner Description: Coating : hydrophobic coating, thickness 3-4 micron on each side.can be ...
2018-09-11
... :76/156MM ,can be customized Coating : hydrophobic coating, thickness 3-4 micron on each side Color:Blue, Gold, Black, Green etc, can be customized Width: can be cut into as request Chemical ...
2018-08-30
... center,mining industry,precious metal recycling,precious metal materials researching laboratory.,etc. These series instrument gold tester is the dramatic updating and upgrading products.Compared ...
2018-08-30
...AU-600K Gold Scale and Purity Testing Equipment , Gold Tester Scale ,Water Gravity Scales for Gold Application: pawnbroking,jewelry industry,banking industry,jewelry testing center,mining industry...
2018-08-30
... metals when it’s used in jewelry to provide durability. In general,gold is mixed with silver and copper(Except 24K pure gold).Gold jewelry is measured in 24 parts, called karats (K), to indicate.....