Hanhai Opto-electronic Mine Fiber Optic Methane Monitoring System and other products were selected into the "Four Batches" Excellent Achievement Exhibition of New Mine Safety Technology Achievements in the Second International Conference on Mine Safety Science and Engineering.

Approved by the State Administration of Work Safety, the 2nd International Conference on Mine Safety Science and Engineering was held in Beijing from September 21 to 23, 2013. The conference was co-sponsored by the China Academy of Work Safety, North China Institute of Science and Technology, China University of Mining and Technology (Beijing), McGill University, National Safety Council, University of Wollongong, and Anbiao National Center. Co-organized by relevant universities, research institutes and large enterprises at home and abroad.

In order to intensively display the domestic "four batches" superior achievements and give play to its exemplary and guiding role, the State Administration of Work Safety will hold the "four batches" outstanding achievements exhibition of mine safety technology during the conference. The technical achievements of 15 enterprises and institutions that have been awarded the "four batches" of technical achievements were displayed. As the "four batches" of outstanding achievements recognized by the State Administration of Work Safety, our company's products have become one of the contents of this exhibition. The selected units also include China University of Mining and Technology, China Research Institute of Work Safety, Gas Branch of Chongqing Research Institute of China Coal Science and Industry Group, Xuzhou Gongda Sansen Technology Co., Ltd. and many universities, research institutes and enterprises

The "Mine Fiber Type Methane Monitoring System" is a product independently developed by our company for methane concentration monitoring, early warning and alarm with TDLAS technology as the core. It has the characteristics of good stability, no manual maintenance, high accuracy, fast response speed, strong anti-interference ability, long service life, good scalability, and passive.