Qingdao Chifine Machinery is a professional manufacturer of manhole covers with over 20 years of industry experience. Our products are widely exported to Europe, South Asia, North America, Latin America, and Africa. We take pride in delivering high-quality solutions tailored to meet the needs of various industries.
**Product Information:**
Our manhole covers are designed for construction and public infrastructure applications. Each unit is manufactured to ensure a smooth surface, free from defects such as sand holes, blow holes, or distortion. They are built to last and perform reliably under different environmental conditions.
**Material Options:**
- Ductile Iron: GGG500-7, 400-12
- Grey Iron: GG20
**Design Standards:**
- EN124 A15, B125, C250, D400, E600, F900
- A60005 casting design
- Custom designs based on customer drawings or samples
**Manufacturing Process:**
- Green sand molding with hand molding
- Advanced casting lines and CNC machining equipment
**Surface Coating Options:**
- Cold applied black bitumen
- Custom coatings available upon request
**Accessories Available:**
We offer a wide range of accessories to suit different installation requirements.
**Quality Control:**
To ensure top-notch quality, we implement strict inspection procedures at every stage of production:
1. Incoming material inspection
2. Work-in-progress inspection
3. Finished product inspection
4. Random warehouse inspections
All our operations comply with ISO 9001:2008 standards. We are equipped with advanced testing tools such as CMM, spectrometers, X-ray, and MT testing equipment.
**Key Features of Our Manhole Covers:**
- Material: Cast gray iron, ductile iron
- Shapes: Round, square, rectangular, triangular
- Diameter: 200mm to 1200mm
- Weight: 7kg to 154kg (customizable)
- Packaging: Wooden pallets with plastic layer
- Annual Output: 10,000 tons
- Coating: Black bitumen or custom options
- Applications: Municipal engineering, traffic, pavement, electronics, telecom, cable, petroleum, chemical, drainage systems, and industrial facilities
**Advantages of Our Products:**
- Supply all load classes: A15, B125, C250, D400, E600, F900
- Double sealed and watertight design
- Available materials: GGC50 (DIN1693-73), QT500-7 (GB/T1348-1988), 80-55-06 (ASTM A536), FCD500 (JIS G5502-2001), 500/7 (BS2789:1985)
- Free design services
- OEM/ODM support available
**Frequently Asked Questions (FAQ):**
**Q: Can I request changes to the packaging or shipping method?**
A: Yes, we can adjust the packaging and transportation method according to your request. However, any additional costs incurred will be borne by you.
**Q: Can I expedite the shipment?**
A: It depends on the availability of stock in our warehouse.
**Q: Can I add my own logo to the product?**
A: Yes, you can send us your design, and we can customize the logo. Please note that any related costs will be your responsibility.
**Q: Can you produce products based on my drawings?**
A: Absolutely, we can manufacture products according to your specifications to ensure complete satisfaction.
**Q: What payment terms do you accept?**
A: We accept L/C, T/T, PayPal, Escrow, and other flexible payment methods.
**Q: Why choose our products?**
A: As a direct manufacturer, we guarantee quality and competitive pricing.
**Q: Do you provide OEM service?**
A: Yes, we welcome OEM orders.
**Q: Can you make customized manhole covers?**
A: Yes, we can produce based on your drawings and technical specifications.
**Q: What are your payment terms?**
A: We offer multiple payment options including L/C, T/T, PayPal, and Escrow.
Feel free to contact us for more information or to discuss your specific requirements. We look forward to building a successful partnership with you.
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