
ABOUT
Hanhai Opto-electronic is a major scientific research achievement transformation institution of the Hefei Institute of Physical Science, Chinese Academy of Sciences.
At 12:10 on January 7, the canteen of Fengshan sub district office in Wulong District, Chongqing collapsed, causi

There are so many hidden dangers in urban gas pipelines How can we avoid them?Solution for safety blind spot o
The cold wave is coming at the end of the year! According to @ China& 39;s weather news, affected by the cold
At 16:00 on December 2, after the national teleconference on the mobilization and deployment of urban gas safety
On December 9, Hanhai optoelectronics was invited to participate in the 14th China International Forum and Exhibit
Recently, Hanhai optoelectronics and Shenzhen Institute of urban public safety technology established a joint R &
According to the official microblog @ vitality Yuquan of the Publicity Department of Yuquan District Party committ
Recently, the office of the safety committee of the State Council and the Ministry of emergency management issued

November 9, 2021 is the 30th "fire safety publicity day" and the fifth "fire safety publicity month" in China
At about 10:00 on November 4, a household in unit 2, No 35, Xizhong Road, Shibei District had a gas flash ex
TEL:400-055-1239 (9:00~17:00)
MAIL:lisghanhai@gkhhlaser.com
ADDR:302 Floor, Building 5, No. 18, Kechuang 13th Street, Beijing Economic and Technological Development Zone
