September 7，The first one declared by the Provincial Quality Supervision Bureau organized by review experts for the group companyLocal Standard"Technical Specifications for Compound Soil Formation and Land Creation Engineering of Arsenic Sandstone and Sand" for review，Wang Long, Director of the Standardization Department of the Provincial Quality Supervision Bureau, presided over the meeting。The evaluation expert group is composed of the Provincial Department of Land and Resources、Provincial Institute of Standardization、Institute of Soil and Water Conservation, Chinese Academy of Sciences、Shaanxi Normal University、Composed of 7 experts including Xi’an University of Technology，The team leader is Professor Ren Zhiyuan of Shaanxi Normal University。 

Review meeting，The group company’s local standard drafting team’s preliminary scientific research on the standard，Standards and related countries、Industry、Differences in local standards，Standard Highlights、Difficulties and innovations，Detailed reports on the handling of opinions and other aspects were made。After questioning by experts of the review team、Discussion，Review the standard text item by item，The expert group agreed that the project research foundation is solid，Focused content，Technical methods are applicable，The standard dafabet.com mobilepreparation process complies with the prescribed procedures，Agree that the "Technical Specifications for Compound Soil Formation and Land Reconstruction Engineering of Arsenic Sandstone and Sand" passed the review。

"Technical Specifications for Compounding Soil and Land Reconstruction Engineering of Arsenic Sandstone and Sand" is the first local standard applied by the group company，The successful convening of this review meeting marks the imminent release of this standard，For standardizing the compound soil and land reclamation project of sandstone and sand，Improving the quality of newly added cultivated land has important practical significance。At the same time, this standard is formulated and released，It plays a very important role in further promoting the standardization construction of the land consolidation industry of the group company。