Danger of mine dust

The hazards of mine dust are mainly reflected in the following four aspects:

(1) polluting workplaces, endangering human health and causing occupational diseases;

(2) certain mineral dust (coal dust, dust sulfid

August 5 Chongqing Steel Market Price Quotes

Product Name Specification Material Steel / Origin Price (yuan/ton) Than yesterday last week than the previous month General line Φ6.5mm Q235 Jiu Steel 5340 -30 -60 -310 High Line Φ6.5mm Q235 Kunming Steel 5370 -30 -80 - 320 High Line Φ6.5mm Q235 Jiu Steel 5380 -30 -70 -310 High Line

August 19 Harbin Steel Market Price Quotes

The product name specification material steel factory/origin price (yuan/ton) is Φ6.5mm higher than that of last month than last week General line Φ6.5mm Q235 Tonggang 5400 0 -200 -560 Common line Φ8mm Q235 Tonghua 5400 0 -200 -560 High line Φ6 .5-10mm Q235 Xilin 5450 0 -200 -550

Aug. 18 Jinan Steel Market Price Quotes

The product name specification material steel factory/origin price (yuan/ton) is higher than yesterday's last week than the previous month General line Φ6.5mm Q235 Handan Steel 5200 -50 -70 -350 Common Line Φ10mm Q235 Stone Cross 5200 -50 -70 -350 High Line Φ6.5mm Q235 Handan Ste

August 18 Lecong Steel Market Price Quotes

Product name Specification Material Steel factory/Production price (yuan/ton) Than yesterday Last week, compared with last month Hot rolled coil 2.75mm*1250*C Q235 Handan Steel 6100 -50 -150 -280 Hot rolled coil 3.0mm*1500*C Q235 Tangshan Steel 6000 0 -150 -250 Hot rolled coil 3.0mm*1250*C Q2