| Name of product | specification | Materials | Steel factory / origin | Today's price (yuan/ton) | Yesterday's price (yuan/ton) | Change (yuan/ton) |
| Cold rolled sheet | 0.7*1000*2000 | Q195 | Angang | 5250-5300 | 5250-5300 | constant |
| Cold rolled sheet | 1.0*1000*2000 | Q195 | Angang | 4900-4950 | 4900-4950 | constant |
| Cold rolled sheet | 1.2*1000*2000 | Q195 | Angang | 4900-4950 | 4900-4950 | constant |
| Cold rolled sheet | 1.5*1000*2000 | Q195 | Angang | 4900-4950 | 4900-4950 | constant |
| Cold rolled sheet | 2.0*1000*2000 | Q195 | Angang | 4900-4950 | 4900-4950 | constant |
| Cold rolled sheet | 3.0*1000*2000 | Q195 | Angang | 5200-5250 | 5200-5250 | constant |
| Cold rolled sheet | 1.0*1000*2000 | ST12 | Bengang | 4900-4950 | 4900-4950 | constant |
| Cold rolled sheet | 1.2*1000*2000 | ST12 | Bengang | 4900-4950 | 4900-4950 | constant |
| Cold rolled sheet | 1.5*1000*2000 | ST12 | Bengang | 4900-4950 | 4900-4950 | constant |
| Cold rolled sheet | 2.0*1000*2000 | ST12 | Bengang | 4900-4950 | 4900-4950 | constant |
| Hot rolled plate | 2.0*1250*C | Q235 | Taigang | 4500-4550 | 4500-4550 | constant |
| Hot rolled plate | 2.75*1250*C | Q235 | Tang Gang / TISCO | 4150-4200 | 4150-4200 | constant |
| Hot rolled plate | 3.0*1500*C | Q235 | Tangshan Iron and Steel | 3850-3900 | 3850-3900 | constant |
| Hot rolled plate | 4.75*1500*C | Q235 | Tang Gang / TISCO | 3850-3900 | 3850-3900 | constant |
| Hot rolled plate | 5.5*1500*C | Q235 | Tangshan Steel / Baotou Steel | 3850-3900 | 3850-3900 | constant |
| Hot rolled plate | 11.5*1500*C | Q235 | Tangshan Steel / Baotou Steel | 3850-3900 | 3850-3900 | constant |
| Plate | 6mm | Q235 | Tian Gang | 4850-4900 | 4850-4900 | constant |
| Plate | 8mm | Q235 | Tian Gang | 4700-4750 | 4700-4750 | constant |
| Plate | 12mm | Q235 | Tian Gang | 4100-4150 | 4100-4150 | constant |
| Plate | 14-20mm | Q235 | Tian Gang | 4050-4100 | 4050-4100 | constant |
| Checkerboard | 3.0mm | Q235 | Mei Gang | 4500-4550 | 4500-4550 | constant |
| Checkerboard | 4.0mm | Q235 | Mei Gang | 4500-4550 | 4500-4550 | constant |
| Checkerboard | 5.0mm | Q235 | Bengang | 4450-4500 | 4450-4500 | constant |
| Checkerboard | 6.0mm | Q235 | Bengang | 4450-4500 | 4450-4500 | constant |
| Shipbuilding board | 6mm | CCSB | Jinan Steel | 5450-5460 | 5450-5460 | constant |
| Shipbuilding board | 8mm | CCSB | Jinan Steel | 5250-5260 | 5250-5260 | constant |
| Shipbuilding board | 10mm | CCSB | Jinan Steel | 5150-5160 | 5150-5160 | constant |
| Shipbuilding board | 12-25mm | CCSB | Jinan Steel | 4850-4860 | 4850-4860 | constant |
| Low alloy plate | 16-25mm | Q345B | Tian Gang | 4200-4210 | 4200-4210 | constant |
| Low alloy plate | 16-25mm | Q345B | Jinan Steel | 4480-4490 | 4480-4490 | constant |
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Gate Valves are called "full-flow" valves; there's a direct unobstructed path for flow right through the middle of the valve. A wedge-shaped brass gate is lowered into a machined slot to close the valve. They should either be completely open or completely closed. Water flowing through a partially open gate valve wears away the metal and causes the valve to fail over time.
Brass Gate Valve, Flanged Gate Valve, High Pressure Gate Valves, Water Gate Valves
ZHEJIANG KINGSIR VALVE CO., LTD. , https://www.kingsirvalves.com