Production process water refers to the part of water used in industrial production to manufacture and process products and related to the manufacturing and processing processes. The quality of water used in production process varies according to the production process. 

Mainly used in drinking water: equipment cooling, certain parts, station cleaning, etc., purified water: mainly used for cleaning parts, cooling water for production process, cleaning of station equipment, clean area (room), countertop Cleaning, disinfectant preparation, inner packaging cleaning, and as ingredient water, water for injection: mainly used for the final cleaning of spare parts in direct contact with liquid medicine, water for product ingredients, cleaning of water storage, cleaning of inner packaging, etc.;