Overloading wooden drum: the secret of overloading drum is its unique construction.
Converting of the drum construction inside make an essential change, including the leather moving way, the float flowing way and the force when the drum is running.
Economic value of overloading: compared with the same type of wooden drum, loading capacity has doubled, at the same time, we can save water and chemical material, also save energy and reduce consumption and remarkably improved the productivity.
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