Surveillance probes have added 650 high-definition probes, and the number of monitoring probes has reached 16,000. More than 200,000 social probes can be accessed at any time. More than 80 public security monitoring centers of the monitoring center have been upgraded and the probes have been upgraded from the original 400,000 pixels to a probe of up to 2 million pixels.
Monitor the coverage of regional key areas, key units, major street intersections, large shopping malls, schools, squares, stations, and other densely populated places.
mineral fertilizer
rock origin
minercal fertilizer is high effective, high nutrient, and stable index. It is used as the most univarsal fertilizer, and accepted by most farmer in the world.
Mineral fertilizer is comes from roks, after processing,concent the percentage of nutrition.
So it is high efficient, high solubolity for fertilization, and high purity to mixed with other kinds of water soluble fertilizers. Sufficient to applying full nutrients in one time.
Hebei Monband Water Soluble Fertilizer Co., Ltd. , http://www.wsfertilizer.com