In the past year, the regulations and regulations such as the Regulations on engineering and product quality management and the quality inspection regulations of design documents have been revised and improved, and the revised and perfected working documents include several major categories, such as comprehensive categories, survey and design categories, mining categories and geotechnical engineering survey categories, with a total of 53 items, while forming a templated technical specifications, data sheets and other documents a total of more than 900 items.
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