Frequently Asked Questions

We offer comprehensive aluminum profile manufacturing capabilities including:

• Precision CNC bending of aluminum profiles up to 6 meters in length
• Ability to create bends with various radii and complex multi-axis designs
• CNC machining of aluminum components (cutting, drilling, milling)
• Custom aluminum extrusion design and production
• Surface treatment options including anodizing, powder coating, and brushing
• Assembly services including hardware installation and accessory integration

Our specialized equipment allows us to maintain tight tolerances and consistent quality across high-volume production runs while still accommodating custom specifications.

Our minimum order quantities depend on the specific product type and manufacturing requirements:

• For standard aluminum profiles: typically 50-100 pieces depending on complexity
• For custom extrusions: minimum quantities start at 300-500 kg
• For assembled components or finished products: typically 50+ units

We understand that project requirements vary, and we're willing to discuss your specific needs. For prototype development or smaller initial orders, we can work with you to find a suitable arrangement before scaling to larger production runs.

Yes, customization is one of our core strengths. We work closely with clients to develop aluminum products that meet their exact specifications. Our process includes:

• Reviewing client designs or collaborating on new designs
• Creating prototypes for validation
• Developing custom tooling when necessary
• Scaling to production with consistent quality control

We can customize dimensions, bend angles, surface finishes, machining operations, and assembly options. Our engineering team can also provide suggestions for design optimization to improve manufacturability and reduce costs while maintaining performance requirements.

Our standard minimum order quantity is 50 pieces per design or specification. However, the exact MOQ may vary depending on several factors:

• Complexity of the product design
• Size and weight of the components
• Required surface treatments
• Additional processing requirements

For simpler, standard products, we may be able to accommodate smaller orders. For highly customized or complex products, the MOQ might be higher. Please contact us with your specific requirements for a precise quote.

Requesting a quote is simple. You can:

1. Fill out the inquiry form on our Contact page
2. Email your requirements to info@honghoualuminum.com
3. Call us directly at +86 123 4567 8910

To receive the most accurate quote, please provide the following information:

• Product details (dimensions, specifications, drawings if available)
• Quantity needed
• Surface finish requirements
• Any additional processing needs
• Target delivery timeline

Our team will review your requirements and provide a detailed quote within 24-48 hours for standard products, or 3-5 days for complex custom designs that require engineering analysis.

We accept several payment methods to accommodate our international clients:

• T/T (Wire Transfer)
• Letter of Credit (L/C) for larger orders
• PayPal for sample orders or smaller amounts

Our standard payment terms are:

• 30% deposit upon order confirmation
• 70% balance before shipment

For long-term partners and repeat customers, we offer flexible payment terms. All payment details will be clearly specified in our quotation and contract.

Yes, we provide sample services for qualified business clients. This allows you to verify the quality and specifications of our products before committing to a larger order.

There are two types of samples we offer:

• Standard Product Samples: These are samples of our existing products and can often be provided at a reduced cost or free (with shipping costs covered by the client).
• Custom Samples: These are manufactured according to your specific requirements and typically involve a sample fee. This fee can often be credited toward your bulk order.

Sample production typically takes 3-5 days, with additional time required for shipping. For complex custom products, sample production may take longer due to tooling or setup requirements.

Our standard production lead times vary based on product complexity, order quantity, and current production schedule:

• Standard Products: 10-15 working days after order confirmation
• Custom Products: 15-25 working days, depending on complexity
• Large Orders: 20-30 working days for high-volume production

The lead time includes:

1. Mold/tooling preparation (if required): 5-10 days
2. Production: 5-15 days depending on quantity and complexity
3. Quality control and inspection: 1-2 days
4. Packaging: 1-2 days

For urgent orders, we offer expedited production services with shorter lead times when our production schedule allows. Please inform us about your specific timeline requirements, and we'll do our best to accommodate your needs.

Our comprehensive aluminum production process includes the following key stages:

1. Design & Engineering: Finalizing product design and preparing technical specifications
2. Tooling: Creating or preparing the necessary molds and dies
3. Extrusion: Heating aluminum billets and forcing them through a die to create the desired profile
4. Cutting & Machining: Precision cutting to specified lengths and CNC machining for additional features
5. Surface Treatment: Applying requested finishes (anodizing, powder coating, etc.)
6. Assembly: Assembling components if required
7. Quality Control: Rigorous inspection and testing
8. Packaging: Secure packaging designed for international shipping

Each stage is carefully monitored to ensure quality and consistency. We maintain strict process controls and follow ISO 9001 quality management standards throughout our production facility.

Quality control is integrated throughout our entire production process. Our comprehensive QC system includes:

• Raw Material Inspection: Testing of aluminum alloy composition and properties before production
• In-Process Inspection: Regular checks during each manufacturing stage
• Dimensional Verification: Precision measurement to ensure adherence to specifications
• Surface Quality Inspection: Examination of finish quality, color consistency, and surface defects
• Mechanical Testing: Tensile strength, hardness, and other performance tests as needed
• Final Inspection: Comprehensive review before packaging

We maintain detailed quality records for each production batch and can provide test reports upon request. Our facility is ISO 9001 certified, and we follow international standards for aluminum products, including ASTM and EN standards.

Our products meet multiple international standards and certifications, including:

• ISO 9001:2015: Quality Management System
• ISO 14001:2015: Environmental Management System
• ASTM B221: Standard Specification for Aluminum Alloy Extruded Bars, Rods, Wire, Profiles, and Tubes
• EN 755: European Standard for Aluminum Extrusions
• GB/T 5237: Chinese National Standard for Aluminum Profiles
• RoHS Compliance: Restriction of Hazardous Substances

Additionally, we can work with third-party inspection agencies if clients require specific certification or testing for their particular market or application. We can provide compliance certificates and test reports for all our products upon request.

We offer various shipping methods to accommodate different budget and time constraints:

• Sea Freight: Most economical for large shipments, typically taking 20-40 days depending on destination
• Air Freight: Faster option for urgent orders, usually 3-7 days
• Express Courier: Fastest option for samples or small shipments (DHL, FedEx, UPS), typically 3-5 days
• Land Transportation: Available for customers in China and neighboring countries

We can ship under FOB, CIF, EXW, or other Incoterms according to your preference. Our logistics team will recommend the most suitable shipping method based on your order volume, budget, and timeline.

We take special care in packaging our aluminum products to ensure they arrive in perfect condition. Our standard packaging includes:

• Individual Protection: Each piece is wrapped in plastic/bubble wrap or protective paper to prevent scratches
• Bundle Packaging: Similar items are bundled together with plastic strapping
• Wooden Crates/Pallets: Heavy-duty packaging for safe international shipping
• Carton Boxes: For smaller or more delicate items

For sensitive surface finishes like polished or anodized aluminum, we add extra protective layers. All packages are clearly labeled with handling instructions and marked with your company information and purchase order details.

We can also accommodate custom packaging requirements upon request, including using your brand's packaging materials or meeting specific shipping regulations for your country.

We have extensive experience with international shipping and customs requirements. Our export team provides comprehensive documentation to facilitate smooth customs clearance, including:

• Commercial Invoice
• Packing List
• Bill of Lading or Air Waybill
• Certificate of Origin
• Material Test Reports (upon request)
• Quality Certificates (upon request)

For CIF shipments, we handle the export customs clearance from China. For FOB shipments, we handle export clearance, and you're responsible for import clearance in your country.

We can recommend experienced freight forwarders who are familiar with aluminum product imports in various countries if you need assistance with import clearance.

We maintain strict dimensional tolerances in accordance with international standards. Our standard manufacturing tolerances are:

• Length Tolerance: ±0.5mm for lengths up to 1000mm, ±1.0mm for lengths 1000-3000mm, ±1.5mm for lengths over 3000mm
• Profile Dimension Tolerance: ±0.15mm for dimensions up to 50mm, ±0.25mm for dimensions 50-100mm, ±0.35mm for dimensions over 100mm
• Wall Thickness Tolerance: ±0.15mm for thicknesses up to 3mm, ±0.20mm for thicknesses over 3mm
• Straightness Tolerance: 1mm per 1000mm length
• Angle Tolerance: ±1° for standard angles

Tighter tolerances can be achieved for specific applications requiring higher precision, though this may affect production costs. Please specify your tolerance requirements clearly when requesting a quote.

Our production capabilities allow for a wide range of dimensions:

• Maximum Length: 7000mm for standard extrusions
• Minimum Length: 10mm after cutting (extrusion minimum is 500mm)
• Maximum Cross-Section Circumscribing Circle: 250mm diameter
• Minimum Wall Thickness: 0.8mm for most alloys
• Maximum Wall Thickness: 20mm

These specifications represent our standard capabilities. For dimensions outside these ranges, please consult with our engineering team, as special arrangements or alternative manufacturing methods may be possible for specific projects.

We accept technical drawings in various formats to make the collaboration process as convenient as possible:

• CAD Files: DWG, DXF, STEP, STP, IGES (preferred for complex profiles)
• 3D Models: SOLIDWORKS, AutoCAD, or other standard 3D formats
• 2D Drawings: PDF with detailed dimensions
• Sketches: Hand drawings with clear measurements can be acceptable for initial discussions

For optimal results, drawings should include:

• All critical dimensions and tolerances
• Material specifications (aluminum alloy)
• Surface treatment requirements
• Any special features or secondary operations needed

Our engineering team can help refine your drawings and provide feedback on manufacturability. We can also convert your concept sketches into professional technical drawings if needed.

Our aluminum products meet stringent quality standards to ensure performance and reliability:

• Material Composition: In accordance with international standards for aluminum alloys (ASTM, EN, GB)
• Mechanical Properties: Tensile strength, yield strength, and elongation as specified by alloy designation and temper
• Dimensional Accuracy: Per ISO standards for extrusion tolerances
• Surface Quality: Visual inspection for defects and surface treatment quality control

For anodized products, we follow international standards for:

• Coating thickness (typically 10-25 microns)
• Colorfastness and consistency
• Corrosion resistance (salt spray testing)

For powder-coated products, we adhere to standards for:

• Coating thickness (typically 60-100 microns)
• Adhesion (cross-hatch test)
• Impact resistance

All our manufacturing processes are ISO 9001 certified, ensuring consistent quality management across all production stages.

Our lead times vary depending on the product type, volume, and current production schedule:

• Standard aluminum profile bending and fabrication: 2-3 weeks
• Custom extrusion development: 4-6 weeks
• Assembled products with multiple components: 3-4 weeks
• Large volume orders may require additional time

For urgent projects, we offer expedited services when our production schedule allows. We recommend discussing your timeline requirements early in the project planning process so we can provide accurate delivery estimates and plan production accordingly.

Yes, we provide comprehensive design assistance services. Our engineering team can help with:

• Review of existing designs for manufacturability
• Optimization suggestions to improve performance or reduce costs
• Technical drawings and 3D models
• Material selection guidance
• Prototyping and testing support

We can work from your initial concept sketches, detailed CAD files, or existing samples. Our goal is to ensure that the final design meets your functional requirements while being optimized for efficient manufacturing.

Quality control is integrated throughout our entire production process:

• Incoming material inspection and certification verification
• In-process inspections during manufacturing
• Dimensional verification using precision measurement equipment
• Visual inspections for surface defects
• Functional testing for assembled products
• Final QC before packaging and shipping

We maintain detailed quality records and can provide inspection reports upon request. Our ISO 9001 certification ensures that we follow standardized quality management procedures, and we continuously monitor and improve our processes to deliver consistent quality.