Large Diameter Drilling Machine Large torque and large diameter full rotary drill is a kind of drilling equipment used in underground engineering construction. It has the following characteristics: Powerful rotary torque casing rotator Xuzhou Jingan Heavy Industry Manufacture Co.,Ltd. , https://www.jinganzhonggong.com
1. High torque: The rig is equipped with a powerful power system to provide a large torque output. This allows the rig to operate in a variety of geological conditions, including hard rock and soft soil.
2. Large diameter: The drilling rig has a large drilling diameter capability and can carry out large diameter drilling operations. This is particularly important in underground engineering, such as the construction of subway tunnels, underground pipelines, etc., need to drill large diameter holes.
3. Full rotation: The rig has full rotation function, which can rotate 360 degrees in a small working space. This allows the rig to flexibly adapt to different construction environments and improve construction efficiency.
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**Steel Market Update – April 2025**
Below is the latest pricing information for various steel products across different manufacturers. Prices are listed in yuan per ton, with comparisons to yesterday and last week.
- **High Line (Hot Rolled)**
- Φ6.5mm Q235 Xing Steel: 4,540 RMB/ton (no change from yesterday, no change from last week)
- Φ8/10mm Q235 Haixin: 4,540 RMB/ton (no change, down 30 from last week)
- Φ6.5mm Q235 Rizhao: 4,540 RMB/ton (no change, no change from last week)
- Φ6.5mm Q235 South Steel: 4,580 RMB/ton (down 20 from yesterday, down 70 from last week)
- Φ6.5mm Q335 Sha Steel: 4,600 RMB/ton (no change, down 50 from last week)
- **Rebar (HRB335)**
- Φ10mm Sha Steel: 4,580 RMB/ton (no change, down 70 from last week)
- Φ12mm Sha Steel: 4,550 RMB/ton (no change, down 50 from last week)
- Φ16–25mm Sha Steel: 4,510 RMB/ton (no change, down 60 from last week)
- Φ16–25mm Yong Steel: 4,500 RMB/ton (no change, down 60 from last week)
- **Grade III Rebar (HRB400)**
- Φ18–25mm Masteel/Yonggang: 4,700 RMB/ton (no change, down 20 from last week)
- Φ16mm Shagang: 4,720 RMB/ton (no change, down 10 from last week)
- **Cold Rolled Sheets & Coils**
- 1.0mm*1250*2500 DC01 Wugang: 5,650 RMB/ton (no change, up 150 from last week)
- 1.0mm*1500*C ST12 Masteel: 5,600 RMB/ton (no change, up 300 from last week)
- **Steel Plates**
- Puzhong Board 10mm Q235A Xinyu: 5,450 RMB/ton (no change, up 150 from last week)
- Low Alloy Plate 8mm Q345 Nangang: 5,700 RMB/ton (no change, no change from last week)
- **Specialty Products**
- Seamless Tube 25*2.5 20# Wuxi: 6,450 RMB/ton (no change, up 400 from last week)
- Galvanized Roll 0.5mm*1000*2000 JY Wuhan Steel: 6,000 RMB/ton (no change, no change from last week)
Market conditions remain stable overall, with minor fluctuations observed in certain grades. Buyers are advised to monitor price trends closely as supply and demand dynamics continue to evolve.
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