As the main writer and core member, Mr. Jun Du participated in the drafting and discussion of legislation, normative documents and standard texts of many national ministries and commissions, including:

◈ Ministry of housing and urban rural development 2017 and 2013 versions of "construction contract of construction project (model text)", "professional subcontract of construction project (model text)", "labor subcontract of construction project (model text)", "management measures for identification, investigation and treatment of illegal behaviors such as illegal subcontracting of construction project (Trial)";

◈ The national development and Reform Commission has organized a series of standard texts such as standard design and construction general contract bidding documents, concise standard construction bidding documents, standard goods bidding documents, standard survey bidding documents, standard design bidding documents, standard supervision bidding documents and standard service bidding documents;

◈ The team members of Jun Du lawyers have also participated in the drafting of a number of laws, regulations and judicial interpretations, and put forward relevant opinions

◈ Building law

◈ Regulations for the implementation of the Bidding Law

◈ Regulations on quality management of construction projects

◈ Regulations on the administration of construction market

◈ Regulations on construction project cost management

◈ Supervision regulations

◈ Judicial interpretation of the Supreme People's Court on construction contract (2)

◈ Judicial interpretation of the Supreme People's Court on construction contract

◈ Management method for contract awarding and contract pricing of Construction Engineering

◈ Interim Provisions on quality deposit of construction projects

◈ Opinions on further strengthening quality responsibility to ensure the quality of residential projects