The production line is installed in Indonesia, mainly the bulk coal screening and crushing, the equipment used is heavy chain plate feeding, wave roller, tooth roller crusher, when the output is 300-400 tons. The process requirements are that the raw coal pulled from the mine by the transport truck goes directly to the feed bin and enters the heavy chain plate feeder, and the chain plate feeder should be resistant to pressure and smashing. The raw coal entering the silo is uniformly transported by the chain plate feeder to the wave roller for screening. The gap of the wave roller is 7 cm. First, the coal of 7 cm is screened into finished products, and the coal larger than 7 cm is crushed into the tooth roller crusher for finished products. The production line has low energy consumption and high output. Welcome new and old users to consult and understand.