HEBEI FIZA TECHNOLOGY CO., LTD yog cov chaw tsim tshuaj ntsuab cov khoom lag luam thiab cov khoom siv. Peb tshwj xeeb hauv kev tsim khoom thiab xa tawm tshuaj lom neeg uas siv rau ntau yam kev siv hauv kev pub, chiv, zaub mov, chaw lag luam thiab dej kho, xws li sodium chlorite, chlorine d ...
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