I buy blue vitriol and other compounds

I buy copper sulfate and other copper compounds, copper powder grades - PMS-A, PMS-K, PMS-1, PMU, PM, PMVD, PMSK, Copper metal powder, copper in powder form, copper powder, Copper crystals, copper powder, grades M1M / T, M2M / T, Copper (II) chloride, Copper chloride I, copper monochloride, anhydrous, copper dichloride, copper bichloride, Copper dichloride 2 waters, Copper (lat. Cuprum), COPPER (I) COMPOUNDS Cu2O, Bordeaux liquid (copper sulfate + calcium hydroxide), Copper hydroxide, Copper sulfate, Tribasic copper sulfate, Copper oxychloride, Copper oxychloride, Copper-containing compounds, Copper chloride, Copper sulphate, Copper (II) pentahydrate sulfate, Copper sulfate (II) pentahydrate, copper sulphate, copper, copper forehead, Copper rider, copper pipes, copper age, copper shine copper sulfate, Copper Sulfate,