垒知控股集团股份有限公司，前身系厦门市建筑科学研究院集团股份有限公司,于 1980年经政府批准设立,2010 年在中国深圳证券交易所上市（股票代码：002398.SZ）,是中国首家整体上市的建筑科研机构。
垒知集团核心子公司健研检测集团（LETS JYT）是中国建设综合技术服务领军企业，为工程全寿命周期提供测绘、勘察、设计、鉴定、检测、评估、认证、咨询和培训等技术服务，以及生态环境监测、消防检测、电子电气检测与认证等。业务覆盖国内大部分省、市，以及东南亚、北美、欧洲、澳洲等地区。拥有博士后科研工作站、福建省院士专家工作站、福建省建筑节能产品与检测企业工程技术研究中心、厦门市建筑节能工程技术研究中心、厦门市公共技术服务平台等多类科技创新平台。
为进一步提升集团科研能力水平，夯实专业基础，提升创新能力，诚邀桥隧检测评估、结构鉴定、建筑材料检测、地基基础检测、幕墙门窗检测、电子电气检测与认证、公路工程检测、化学分析和生态环境检测、建筑节能评价等专业方向的海外人才加入健研检测集团。
LETS JYT Group Cordially Invites Outstanding Overseas Talents to Join us
LETS Group Co., Ltd., formerly known as Xiamen Institute of Building Science Group Co., Ltd., was established with the approval of government in 1980 and listed on the Shenzhen Stock Exchange in China in 2010 （stock code: 002398. SZ）. It is the first comprehensive listed architectural research institution in China.
LETS JYT, a core subsidiary of LETS Group, is a leading enterprise in comprehensive technical services for construction in China. It provides technical services such as mapping, designing, appraisal, testing, evaluation, certification, consulting, and training for the entire life cycle of engineering, as well as ecological environment monitoring, fire protection testing, electronic and electrical testing and certification. Our business covers most provinces and cities in China, as well as Southeast Asia, North America, Europe, Australia and other Continents. We have multiple types of scientific and technological innovation platforms, including postdoctoral
research workstations, Fujian Provincial Academician Expert Workstations, Fujian Provincial Engineering Technology Research Center for Building Energy Saving Products and Testing Enterprises, Xiamen Building Energy saving Engineering Technology Research Center, and Xiamen Public Technology Service Platform.
In order to further enhance the level of the Group‘s scientific research capabilities, consolidate professional foundations, and enhance innovation capabilities, we cordially invite overseas talents in the fields of bridge and tunnel testing and evaluation, structural appraisal, building material testing, foundation testing, curtain wall and door and window testing, electronic and electrical testing and certification, highway engineering testing, chemical analysis and ecological environment testing, and building energy efficiency evaluation to join the LETS JYT Group.