What you want to ask is what contract was formally prepared by Shenyang China Railway Ninth Bureau? It is a general contract for construction projects and also a contract for survey and design of construction projects.

1. General contracting of construction project: the contractor undertakes the construction tasks of the whole project, including the whole process of project construction, installation and commissioning, and is responsible for the management and control of project quality, safety and progress.

2. Construction project survey and design contract: namely, the contractor undertakes the task of project survey and design, and provides the project design scheme and technical documents according to the requirements of the owner and relevant standards and specifications.