Nitrogen gas blowing part TTL - DCII users: agricultural products testing center, aquaculture technology extending stations in jiangxi province, jiangxi province veterinary medicine feed by supervisory, nanchang in jiangxi province agricultural product testing center, jiujiang city agricultural product testing center, xinyu agricultural products testing center, anyuan county agricultural and grain bureau, jiangxi provincial center for disease control and prevention, it centers for disease control and prevention
Sulfide TTL - HS some users:
Jiangxi provincial environmental monitoring station, yi chun city environmental monitoring station, ganzhou to righteousness of county environmental monitoring station, shangrao wannian environmental monitoring station, GongQing city environmental monitoring station, jiujiang lushan district environmental monitoring station
Some users oscillator TTL - 800:
Jiangxi provincial environmental monitoring station, jiujiang city environmental monitoring station, environmental monitoring station in nanchang, jiangxi agricultural university
Ultrapure water machine part TTL - 10 users:
It's food and drug inspection