... and paddy ,etc.4)We have advanced technique, full allocation of equipment, powerful technology and complete testing ... device, flat belt conveyor, pneumatic gate, thermostats, air compressors, hot air systems, cooling systems, dust removal system, computer ... sandwich panelSingle color steelImpact on the environmentNo air pollutionSevere air pollutionOperatorClass Single 1 workerClass Single 4 workers ...