STC has possessed a series of enterprise qualification certificates, including the three-tier qualification for environmental protection EPC and the certificate in safety production management. On the basis of self-owned intellectual property patented technologies and exclusive authorized technologies introduced through strategic cooperation, STC provides customers with whole sets of one-stop engineering services, including design, construction, purchasing and supply of equipment, installation, debugging, etc. STC has obtained the ISO9001 Quality System approval and has developed acomplete business and project management process and system. STC can handle different engineering project service contracts from single independent process units to whole flue gas treatment systems. Detailed scope of our services covers:

（1）Design Consulting

（2）Equipment Purchasing and Installation

（3）Reconstruction and Extension Service

（4）System Debugging and Commissioning

So far, STC has already provided various engineering services for more than 150 customers of different kinds. The project performance has covered all provinces and municipalities in China. STC has an outstanding and experienced work team, perennially working on the field. Besides, with the continuous process optimization, the standardization design of products and the mature project management team, STC can be fully responsible for the construction and management in the whole project process, in order to help owners reduce costs, improve efficiency, optimize construction period, and guarantee the quality and requirements for the project construction as well.