Factory
DONGFENG sewing machine spare parts factory
Packing & shipping
Exhibition
FAQ
Q: What craftsmanship do you have for processing accessories?
A: According to different products, different processes are used, such as machining, extrusion, injection molding, etc.
Q: What is your processing equipment?
A: CNC machining center, CNC lathe, milling machine, engraving machine, injection molding machine, extruder, molding machine.
Q: Can injection products be surface-treated? What are the surface treatments?
A: It's okay. Surface treatment: spray paint, silk screen, electroplating, etc.
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Q: Do you have UL/CE certification for sewing machine electrical components?
A: Yes, our electrical components meet:
UL 508A for industrial control panels
CE EN 60335 for household appliance safety
CB Scheme reports for global market access
Certificates available on request with part-specific traceability.
Q: How do you ensure compliance with REACH/SVHC regulations?
A: Our compliance process includes:
SCIP database registration for SVHC substances
Third-party lab testing (SGS/BV) for restricted chemicals
Material declaration forms (IMDS format) for automotive clients
Q: Can you propose cost-down solutions without compromising quality?
A: Our value engineering approaches:
Material substitution (e.g., POM replacing brass for non-load parts)
Design simplification (DFM analysis to reduce machining steps)
Bulk purchasing of standardized components
Case study: 15% cost reduction for a Japanese client via part consolidation.
Q: Do you offer volume-based pricing tiers for long-term contracts?
A: Tiered pricing model (annual volume):
100K-500K pcs: 5% discount
500K-1M pcs: 8% discount + free tooling
**>1M pcs**: Customized pricing + dedicated production line
Q：What is your sample lead time for custom parts?
A: Sample delivery timeline:
Existing tooling: 5-7 days (express shipping available)
New tooling: 25-30 days (including mold fabrication)
Free samples for qualified orders (>5,000 pcs annual commitment).
Q: Can you apply rapid prototyping for design validation?
A: Prototyping services:
3D printing (SLA/SLS, 24hrs delivery)
CNC machining (5-7 days for metal/plastic parts)
Functional testing with load simulation
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