Натуральная 4 2 баритовая руда высокой белизны по сниженной

Main Uasage: Oiling drilling,glass deoxidizer, clarifier and flux, rubber, plastic bucket, paint filler, brightening agent, weighting agent, building concrete aggregate, paving material heavy pressure buried pipe in the marshland area, Instead of lead plate used in nuclear facilities, atomic energy plants, X-ray laboratories, military heavy ground, hospital screen, radiation protection, etc., to prolong the road life.