Double dome Hollow Type LED Operating Lamp is our new design this year, it has the function of perfect green light source new LED green
light source, no radiation, no ultraviolet, no infrared, no radiation and low energy
consumption, little temperature rise and perfect sunlight like shadowless
effect,the surgical lamp use the Unique designed LED optical system with a
higher light utilization rate as much as 2 to 3 times of ordinary ones;
Double Dome Hollow OT Lamp,Double Dome Operating Theatre Light,Double Dome Operating Room Light,Double Dome Surgery Room Light Shandong Lewin Medical Equipment Co., Ltd. , https://www.operatinglight.nl
It is reported that the Basic Geographic Information Center of Qinghai Province provided a 1:100,000 survey base map, and on the basis of the survey data of the counties in the producing areas, it was responsible for the completion of thematic data collection, database construction, thematic map compilation, geographic information system development, etc. of Cordyceps sinensis resources. technical job. 
Qinghai investigates Cordyceps sinensis resources for sustainable development and utilization
Business Club, November 8th Since May this year, the Qinghai Provincial Grassland Supervision Station has investigated the resources of Cordyceps sinensis in the entire province in order to find out how to achieve sustainable development and utilization. As of the end of October, some maps and charts of the Cordyceps sinensis resources have been submitted to the provincial basic geographic information center, and technicians are stepping up their data collection work in the early stage.