Steel prices continue to fall

On April 1, domestic steel prices continued to decline, with construction steel showing a consistent downward trend, particularly in Central South and North China. Plate prices remained stable but gradually weakened, while hot-rolled coil prices also saw a steady drop. In the East China market, cold-rolled coil prices were generally stable, though some areas experienced minor declines. Coated coil prices also showed a weakening trend. As March came to an end, the global economy in 2013 entered its second quarter. Looking at economic data from major economies, developed nations such as the U.S., Europe, and Japan appeared to be slowly recovering from economic gloom. However, emerging economies—once seen as the main drivers of global growth—seemed to lack the same momentum. **Domestic Steel Price Trends:** According to monitoring by steel home sites across 28 major cities on April 1, average prices for various steel products declined slightly compared to the previous trading day: - Φ8mm high-line: 3,776 yuan/ton (down 13 yuan/ton) - Φ20mm HRB400 rebar: 3,774 yuan/ton (down 16 yuan/ton) - 20mm plate: 3,906 yuan/ton (down 8 yuan/ton) - 5.75mm hot-rolled coil: 3,889 yuan/ton (down 11 yuan/ton) - 1.0mm cold-rolled coil: 4,882 yuan/ton (down 4 yuan/ton) - 1.0mm galvanized coil: 4,971 yuan/ton (stable) - 0.476mm color-coated coil: 6,003 yuan/ton (down 5 yuan/ton) **Shanghai Market:** In Shanghai, construction steel prices remained stable, while plate and hot-rolled coil prices saw slight declines. Cold-rolled and coated coil prices were stable: - Φ6.5mm high-line: 3,470 yuan/ton (stable) - Φ20mm HRB400 rebar: 3,620 yuan/ton (stable) - 20mm middle plate: 3,860 yuan/ton (down 10 yuan/ton) - 5.75mm hot-rolled coil: 3,800 yuan/ton (stable) - 1.0mm cold-rolled coil: 4,760 yuan/ton (stable) - 1.0mm galvanized coil: 5,020 yuan/ton (stable) - 0.5mm color-coated coil: 7,290 yuan/ton (stable) **Guangzhou Market:** Construction steel prices dropped, while hot-rolled coil and cold-rolled coil prices fell slightly. Coated coil prices remained stable: - Φ6.5mm Q235 high-line: 3,860 yuan/ton (down 20 yuan/ton) - Φ18-22mm HRB400 rebar: 3,890 yuan/ton (down 20 yuan/ton) - 5.75mm hot-rolled coil: 3,850 yuan/ton (down 30 yuan/ton) - 1.0mm cold-rolled coil: 4,580 yuan/ton (down 20 yuan/ton) - 1.0mm galvanized coil: 4,900 yuan/ton (stable) - 0.476mm color-coated coil: 6,550 yuan/ton (down 20 yuan/ton) **Tianjin Market:** Construction steel prices declined, while hot-rolled coil and cold-rolled coil prices remained stable. Coated coil prices saw a small drop: - Φ6.5mm Q235 high-line: 3,600 yuan/ton (down 20 yuan/ton) - Φ18-22mm HRB400 rebar: 3,630 yuan/ton (down 30 yuan/ton) - 5.75mm hot-rolled coil: 3,650 yuan/ton (stable) - 1.0mm cold-rolled coil: 4,700 yuan/ton (stable) - 1.0mm galvanized coil: 5,020 yuan/ton (down 20 yuan/ton) - 0.476mm color-coated coil: 5,340 yuan/ton (down 20 yuan/ton) **Steel Factory Price Adjustments:** Several steel mills adjusted their pricing policies in early April: - **Xiangshan Iron and Steel**: Maintained medium plate base price unchanged. - **Shagang, Nangang, Xicheng, Huawei**: Reduced plate prices by 70–100 yuan/ton; Shagang lowered hot-rolled coil ex-factory price by 300 yuan/ton. - **Jiuquan Lanzhou**: Kept hot and cold coil base prices unchanged. - **Xiangsteel**: Lowered high-line factory price by 30 yuan/ton. - **Shagang, Nangang, Yonggang, Zhongtian**: Reduced construction steel ex-factory prices by 30–50 yuan/ton. - **Kunming Steel**: Cut rebar and high-line factory prices by 80 yuan/ton and disk screw by 120 yuan/ton. - **Chenggang**: Reduced rebar price by 80 yuan/ton and high-line by 30 yuan/ton. - **Qianjin Steel, Xinya**: Increased hot-rolled strip ex-factory prices by 20–40 yuan/ton. - **Ruifeng Steel**: Raised hot-rolled wide-band steel ex-factory price by 30 yuan/ton. Overall, the steel market remains under pressure, with both demand and supply dynamics contributing to the ongoing price declines.

High Frequency Laser Ranging Sensor

The module operates with a laser wavelength of 905 nanometers, falling within the near-infrared spectrum, which ensures minimal transmission loss in the atmosphere and poses negligible risk of harm to human eyes. Laser sensors with a 700-meter (standard specs) range typically offer high accuracy and extensive ranging capabilities, making them well-suited for applications requiring long-distance measurements. These sensors find widespread use in military, aerospace, surveying, geological exploration, and other related fields.

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