On the exhibition, ZIMEX set up several zones: pH paper, filter paper, test boxes and instruments. We introduce the exhibits in detail such as multi-parameter water quality analyzer, biological toxicity analyzer, all kinds of quick analysis test paper as well as the fine filter paper to the audience, which are applicable to chemical industry, scientific research, food, electroplating, metal surface processing, textile printing, dyeing and other industries. the PF - 12 Plus multi-parameter water quality analyzer thanks to its simple operation, compact easy to carry, is suitable for both laboratory and suitable for outdoor, and also can be used to test various conventional parameters in drinking water and wastewater (hardness, turbidity, ammonia nitrogen, COD, heavy metals such as copper and nickel), attracting the attention of many professional audience;