RECHSAND

Water-purifying chemical; propping agent for oil or gas mining and fracturing, namely, chemical additives for fracturing fluid for use in oil and gas wells; oil-separating chemicals; industrial chemicals; foundry molding preparations, namely, chemical additives for foundry molding; foundry sand; chemical additives for oil or gas mining and fracturing, curing agent, namely, chemical compounds for curing concrete; adhesives for industrial purposes