... standard design 2.high efficiency and competitive price 3.save energy 4.easy operation 5.environmental pollution Introduction This production line, ... of natural silica sand, resin and hardener. The whole line compose of sand reclamation system and molding system. Sand ... h,10t/h, 15t/h, 20t/h, 25t/h, 40t/h, 60t/h, 80t/h resin sand production sand, 10t/h, 15t/h, 20t/h, 25t/h, 40t/h, 60t/h, 80t/h, 100t/h ...