Most popular this year, Xi'an paper mill will be r

2022-08-05
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Within this year, Xi'an paper mill will be reduced to 5. All sewage entering Weihe River needs to be treated. At the same time, the state will continue to support the maintenance of Wenzhong

China paper is a large paper trading market and paper portal in China, including strong acid resistant and most organic material stations. It provides the latest paper information, paper, paper information, paper data, paper market, paper enterprises, paper centers, paper headlines, paper data 1 Preparation and utilization technology of new functional high molecular materials

papermaking

sewage discharge

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