| Name of product | specification | Materials | Steel factory / origin | Price (yuan/ton) | Than yesterday | Compared to last week | Than last month | Note |
| Common line | Φ6.5mm | Q235 | Xifeng | 3650 | 0 | -70 | -270 | Less goods |
| Common line | Φ6.5mm | Q235 | Hua Xinrui | 3650 | 0 | -50 | -230 | |
| altitude | Φ6.5mm | Q235 | Yonggang | 3600 | 0 | -80 | -350 | |
| altitude | Φ6.5mm | Q235 | Ma Gang | 3600 | 0 | -80 | -330 | |
| altitude | Φ6.5mm | Q335 | Sanming | 3600 | 0 | -80 | -330 | |
| altitude | Φ6.5mm | Q335 | Haixin | 3550 | -50 | -110 | -400 | 8mm: 3600 |
| altitude | Φ8mm | Q335 | Ping Gang | 3580 | -20 | -100 | -370 | |
| altitude | Φ8mm | Q335 | Jiyuan | 3580 | -20 | -100 | -370 | |
| Rebar | Φ10mm | HRB335 | Shagang | 3650 | 0 | 0 | -80 | |
| Rebar | Φ12mm | HRB335 | Shagang | 3490 | 0 | -10 | -60 | |
| Rebar | Φ14mm | HRB335 | Shagang | 3460 | 0 | -40 | -70 | |
| Rebar | Φ16-25mm | HRB335 | Shagang | 3460 | 0 | -40 | -70 | |
| Rebar | Φ10mm | HRB335 | Three yuan | 3280 | 0 | 0 | -190 | |
| Rebar | Φ12mm | HRB335 | Ping Gang | 3430 | 0 | -30 | -110 | |
| Rebar | Φ12mm | HRB335 | Yonggang | 3450 | 0 | -20 | -100 | |
| Rebar | Φ16-25mm | HRB335 | Yonggang | 3420 | 0 | -30 | -100 | |
| Rebar | Φ16-25mm | HRB335 | Ma Gang | 3420 | 0 | -20 | -100 | Less goods |
| Rebar | Φ16-25mm | HRB335 | Ping Gang | 3390 | 0 | -30 | -120 | |
| Rebar | Φ16-25mm | HRB335 | Jiyuan | 3390 | 0 | -30 | -120 | |
| Rebar | Φ18-25mm | HRB335 | Egang | 3380 | 0 | 0 | -120 | |
| Rebar | Φ16-25mm | HRB335 | Lai Gang | 3390 | 0 | -10 | -120 | |
| Rebar | Φ16-25mm | HRB335 | Xiwang/Yinfeng | 3350 | 0 | -30 | -140 | |
| Rebar | Φ16-25mm | HRB335 | Jinan Iron and Steel | 3330 | 0 | -40 | -150 | |
| Rebar | Φ16-25mm | HRB335 | Jiangsu Hongtai | 3330 | 0 | -40 | -150 | |
| Rebar | Φ16-25mm | HRB335 | Fuxin | 3330 | 0 | -40 | -150 | 16mm: 3280 |
| Rebar | Φ16-25mm | HRB335 | Zhongtian | 3380 | 0 | -20 | -120 | |
| Rebar | Φ16-25mm | HRB335 | Jinan Steel | 3400 | 0 | -20 | -120 | |
| Rebar | Φ16-25mm | HRB335 | Xicheng | 3390 | 0 | -10 | -110 | |
| Rebar | Φ16-25mm | HRB335 | Nanchang | 3390 | 0 | -30 | -120 | |
| Rebar | Φ16-25mm | HRB335 | Haixin | 3360 | 0 | -30 | -140 | 25mm: 3380 |
| Grade III rebar | Φ12mm | HRB400 | Ma Gang | 3800 | 0 | 0 | 130 | Less goods |
| Grade III rebar | Φ16-25mm | HRB400 | Ma Gang | 3450 | 0 | 0 | -200 | Less goods |
| Grade III rebar | Φ18-Φ25mm | HRB400 | Ping Gang | 3430 | 0 | 0 | -150 | |
| Grade III rebar | Φ18-Φ22mm | HRB400 | Yonggang | 3550 | 0 | 0 | -100 | |
| Grade III rebar | Φ16-Φ25mm | HRB400 | Jinan Steel | 3530 | 0 | 0 | -120 |
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The cover glass is covered on the material on the glass slide, which can avoid the contact between the liquid and the objective lens, so as not to contaminate the lens, and can make the top of the observed cells in the same plane, that is, the distance from the objective lens is the same, so that the observed Images are clearer.Why do you need a coverslip when using a microscope
1. Make the object to be observed form a thin film, which is easy to transmit light and easy to observe;2. Make the specimen relatively fixed;
3. It is convenient to use the capillary phenomenon to form a gradient when adding various reagents (staining agent, acid, salt solution);
4. Avoid contamination of the specimen.
The purpose of staining the specimen with iodine solution is to make the cells more obvious under the microscope, and it can also kill the cells and prevent the cells from migrating.
microscope cover slip,cover slip microscope,microscope slide cover,microscope cover glass
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