... ,Tianjin,QingdaoPackaging Details:Export standard container 20GP or 40GP, 40HQ, FR container, In bulk, the spare parts in wooden caseDelivery Time:Within 45 ... with hardness less than 7 and humidity less than 6% in mining, construction, chemical industry and metallurgy, such as barite, ... stand wear and tearWorking Principle of production lineThe material in the Silo will fall down into the Feeding tube ...