| Name of product | specification | Materials | Steel factory / origin | Today's price (yuan/ton) | Yesterday's price (yuan/ton) | Change (yuan/ton) |
| Welded pipe | 6 points/2.5mm | Q235 | Youfa | 4000-4010 | 3970-3980 | Rose 30 |
| Welded pipe | 1 inch/3.0mm | Q235 | Youfa | 3970-3980 | 3940-3950 | Rose 30 |
| Welded pipe | 1.5 inch/3.25mm | Q235 | Youfa | 3970-3980 | 3940-3950 | Rose 30 |
| Welded pipe | 4 inch/3.75mm | Q235 | Youfa | 3950-3960 | 3920-3930 | Rose 30 |
| Welded pipe | 6 inch/4.0mm | Q235 | Youfa | 4010-4020 | 3980-3990 | Rose 30 |
| Welded pipe | 1 inch/3.0mm | Q235 | Lida | 4020-4030 | 3890-3900 | Rose 130 |
| Welded pipe | 1.5 inch/3.25mm | Q235 | Lida | 3930-3940 | 3800-3810 | Rose 130 |
| Welded pipe | 3 inch/3.0mm | Q235 | Lida | 4010-4020 | 3880-3890 | Rose 130 |
| Welded pipe | 6 inch/4.0mm | Q235 | Lida | 4060-4070 | 3930-3940 | Rose 130 |
| Welded pipe | 8 inch/5.0mm | Q235 | Lida | 4060-4070 | 3930-3940 | Rose 130 |
| Seamless tube | 76*4.5 | 20# | Tianjin | 4650-4700 | 4650-4700 | constant |
| Seamless tube | 108*4.5 | 20# | Tianjin | 4700-4750 | 4700-4750 | constant |
| Seamless tube | 114*4.5 | 20# | Angang | 4800-4850 | 4800-4850 | constant |
| Seamless tube | 159*5 | 20# | Angang | 4700-4750 | 4700-4750 | constant |
| Seamless tube | 219*8 | 20# | Angang | 4900-4950 | 4900-4950 | constant |
| Seamless tube | 377*10 | 20# | Baogang | 6200-6250 | 6200-6250 | constant |
| Seamless tube | 426*12 | 20# | Baogang | 6300-6350 | 6300-6350 | constant |
Inoculating loop and needle are instruments used for inoculation, serial dilution, aseptic sampling, transfer and microbial sample coating. Options include color-coded disposable consumables made of materials such as polymers, aluminum, and other metals. The disposable inoculating loops and the inoculation needles are made of non-toxic (USP VI grade) polystyrene material, which can provide users with a smooth surface of the inoculation loop for use in vaccines and diagnostic kits, pharmaceuticals and biotechnology.
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Yong Yue Medical Technology(Kunshan) Co.,Ltd , https://www.yonyuetip.nl