The Beijing Office of Air Heavy Pollution Emergency Response Headquarters launched a blue warning on heavy air pollution at 12:00 on April 1. Since the night of March 31st, affected by the convergence of meteorological conditions east of the Taihang Mountains and south of the Yanshan region, the conditions for atmospheric pollution spread in the Jing-Jin-Ji region have been generally unfavorable. The air quality in the central-southern region of the region has reached the “5-level severe pollution†level. Public health protection. According to the Beijing Municipal Environmental Protection Bureau, due to the combined effects of regional transmissions and the pollution emissions of Beijing, the concentration of pollutants in Beijing gradually accumulated and the air quality gradually deteriorated. In particular, on the morning of April 1, under the influence of the easterly wind, the concentration of pollutants in Beijing rose rapidly. By the end of the 12th, the air quality had already reached the level of “Grade 5 Heavy Pollutionâ€. It is expected that the heavy air pollution process will continue to be affected by adverse meteorological conditions such as low pressure and static stability. From the night of the 2nd, air quality will begin to improve after being affected by cold air. According to the “Beijing Municipal Air Heavy Pollution Emergency Preparedness Plan (Revised in 2017)â€, during the blue warning period, relevant units are required to strengthen dust control at the construction site, and the city shall stop the outdoor spraying and slope protection spraying operations to increase the cleaning intensity of key roads. , increase the intensity of law enforcement inspections.
Brass knurled thread insert Made of brass material, good thermal conductivity and heat resistance.
Widely Used On the Injection molding for Tightly Fixing.
Brass knurled Can be installed by ultrasonic or heat into thread tapered hole, or molded in during injection.
We are manufacturer of Insert Nut in China, if you want to buy Embedment Insert Nut,Brass Threaded Knurled Insert,Insert Thread Nuts please contact us.
knurled insert nut,threaded insert nut,wood insert nut,brass insert nut,furniture insert nut Shenzhen Lanejoy Technology Co.,LTD , https://www.baking-rack.com