Profile: Sunjo Chemical Co., Ltd. is a supplier of optical intermediates, electronic grade solvents, alcohols, amines, acids and surfactants. Our products are palladium chloride, palladium sulfate, sodium borohydride, stannous oxalate, stannous sulfate, benzotriazole, zinc bromide, ceric ammonium nitrate, cuprous chloride, tetramethyl ammonium hydroxide, copper sulfate and copper sulfate.