On October 14, 2003, Shenzhen Science and Technology Bureau warranted Shenzhen Zhonghengxin Assets Appraisal Co., Ltd to hold YX-CEMS Achievement Appraisal in Graduate School at Shenzhen, Tsinghua University. The present experts include professors of Tsinghua University, Peking University, environmental protection monitoring expert from Guangdong and Shandong, and some relevant persons from electric power enterprises. The experts listened to the report of YX-CEMS development made by the principal of Huali, and viewed the display of the equipment.

The result: Huali YX-CEMS gas continuous monitoring system is the first system at home to use safety valve to protect the optical lens and electronic parts of the equipment. The company developed the gas collection device independently (Had applied for the patent), whose filter element is more convenient to change and can be washed. It uses PID temperature controller and SCR to heat up the Heat accompanied pipe. The temperature control is very accurate. It uses the self-design special gas pretreating system, which is of great corrosion resistant performance and sealing performance, and which is easy and convenient to maintain. This is the first time in the same products at home. The company software system has a great ability of data processing and remote communication. The project is made according to the actual situation and requirement of the home gas monitoring. Approved by the installation in electric power and concrete industry in Tangshan, Liaoning, Shenyang, and Hohhot Inner Mongolia, the products show the stable operation, correct and reliable monitoring data, and less maintenance, which meet the actual condition and requirement of the home gas monitoring. The products  performance index of the product is better than the state standards. It is the leading level of development of alike product at home.