... ). PLC+ touch screen+ pneumatic system, convenient to operate. 2.Technological processA, After harvest, store ... to steam and softening, then, pulping to make coarse paste, filt away the seeds and peel, then pump the tomato pulp ... into the storage tank.C, According to the proportion, add other ... with the quality standard, then, heat the pulp to 85-90°C, and store the tomato paste ...