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sep 20, 2020 pour vinegar and soda into the washing machine and wash it is also ineffective, acetic acid, soda alkali. when you mix the vinegar and soda, you get a neutral solution; it is like simply doing the washing cycle in self-cleaning mode. using chlorine containing substances is also wrong, chlorine is a reagent for flaking and will not work either.approved by the china national commerce ministry, established in 1986, located in zhengzhou, henan. We have more than 1000 employees which including ove r&d staffs. henan dewo is a comprehensive enterprise which integrates researching, manufacturing, market developing and service for mining crushing equipment.