建筑施工企业当以合同的形式确定了同业主的关系后，通过对人力、物质资源的优选、组织、调配及施工过程中的质量控制，最终向社会奉献出自己的产品——建筑物。试验室，在建筑施工企业中并不直接参与产品的生产，但却与产品生产的全过程有着密切联系；在质量、经营活动中起着 After the construction company has established the relationship with the owner in the form of a contract, it ultimately contributes its own product—buildings—to the society through the selection, organization, deployment and quality control of manpower and material resources. The laboratory is not directly involved in the production of products in construction companies, but it is closely related to the whole process of product production; it plays a role in quality and business activities.