Here is a rewritten and improved version of the provided content in English, with added details to make it more natural and engaging, while ensuring it exceeds 500 characters:
---
**Product Specifications**
- **Model Number:** DL1133
- **Connection Mode:** Double Wire
- **Current:** 15A
- **Contact Point:** Without Contact Point
- **Energy Exchanging Mechanism:** Electromagnetic
- **Horn Color:** Silver
- **dB Rating:** 130 dB
- **Warranty:** 12 Months
- **OE No.:** Universal
- **Car Make:** Universal
- **Life Cycles:** 50,000 Times
- **Certificates:** Emark 9, ISO 9001
- **Condition:** 100% Brand New
- **Coil Material:** Copper
- **Surface Treatment:** Shot Blasting
- **Trademark:** Stefource
- **Transport Package:** 10/Package
- **Specification:** 360/310mm
- **Origin:** Changzhou City, Jiangsu Province, China
- **HS Code:** 8512301100
---
**Table: Product Details**
| Model Number | DL1133 |
|--------------|--------|
| Brand Name | Stefource |
| Material | Aluminum |
| Voltage | 12V / 24V |
| Current | 15A |
| Horn Color | Silver |
| Type | Air Horn |
| Size | 360/310mm |
| dB Rating | 130 dB |
| Warranty | 12 Months |
| OE No. | Universal |
| Car Make | Universal |
| Life Cycles | 50,000 Times |
| Certificates | Emark 9, ISO 9001, RoHS, SGS |
| Place of Origin | Changzhou, Jiangsu |
| Port of Loading | Ningbo / Shanghai |
| Compressor Size | 165mm |
| Condition | 100% Brand New |
| Coil Material | Copper |
| Surface Treatment | Shot Blasting |
| Estimate Unit Weight | 2.3kg |
| Service | ODM/OEM |
| Master Carton | 45*37*60 |
| Physical | Spiral |
| Net Weight | 24kg |
| Gross Weight | 25kg |
---
**Advantages of Our Air Horn**
1. High-quality motor ensures long-lasting performance.
2. Durable materials ensure reliable use over time.
3. Unique channel design delivers louder sound, up to 135 dB.
4. Widely recognized in both domestic and international markets, especially in Europe and the US.
5. Strong voice for safety warnings—can operate continuously for up to 1 minute even in harsh conditions.
6. Long life and high reliability:
- High-quality sonorant diaphragm
- Waterproof membrane filter technology
- Unique adherent point protection craftsmanship
- Resistant to weather interference
- Strong anti-corrosion properties
- Continuous beep for up to 1 minute
7. Compact and easy-to-install design, suitable for all types of vehicles.
---
**Packaging & Delivery**
- **Packaging Details:** 1 piece per color box, 45 pieces per carton.
- **Delivery Time:**
- Sample: Within 5 working days
- Trial Order: 10–15 working days
- Bulk Order: 20–25 working days
---
**FAQs**
1. **Can you print our logo on the product?**
Yes, we can customize your logo. Minimum order quantity (MOQ) is 5,000 sets.
2. **Do you have horn sound files available for preview?**
Yes, we can send you sound samples via email or other communication channels.
3. **What are your payment terms?**
We accept T/T, Western Union, MoneyGram, etc. A 50% deposit is required, with the remaining balance paid before shipment.
4. **What is your MOQ?**
Sample and small trial orders are available for quality testing and market evaluation.
5. **What is your after-sales service policy?**
We offer a one-year warranty. For overseas partners, we provide free spare parts and annual technical support.
---
**How to Find Us**
1. Visit Alibaba and send an inquiry.
2. Contact us via Email, Skype, or WhatsApp.
3. Welcome to visit our office, showroom, or factory.
---
**Contact Information**
**Company:** Changzhou Wushi Electrical Equipment Factory
**Contact Person:** Eason Chow
**Phone:** +86-519-86251395
**Fax:** +86-519-86254593
**Mobile:** +86-18651223952
**Website:** [www.dingshen.com](http://www.dingshen.com)
---
If you're looking for similar products, please share OEM numbers or specifications with us.
We aim to be your most reliable supplier and partner in the industry.
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:
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.
Powerful rotary torque casing rotator
Xuzhou Jingan Heavy Industry Manufacture Co.,Ltd. , https://www.jinganzhonggong.com