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Frequently Asked Questions
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About YP-MFG
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Product Quality & Inspection
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Factory Capabilities & Services
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Here are some of our key manufacturing services for prototyping and on-demand production:
- CNC Machining
- Sheet Metal Fabrication
- Casting and Forging
- Custom Gear
- Aluminum Extrusion
- On Demand Manufacturing
- Finishing Services
YP-MFG is a leading manufacturer specializing in high-precision metal and plastic parts, our services include everything from Design for rapid prototyping and low or high-volume production.
We serve a wide range of industries that require high-precision, reliable, and cost-effective machining solutions.
🔩 Automotive Industry
We supply high-precision metal parts for automotive systems including engine components, transmission parts, chassis brackets, and customized aluminum housings. Our parts are used in both traditional fuel vehicles and electric vehicles (EV).
✈️ Aerospace
We provide complex, tight-tolerance components made from aluminum alloys, titanium, and stainless steel for aerospace clients. All parts meet strict quality standards and documentation requirements.
🏥 Medical Devices
We machine small, intricate components for medical equipment, diagnostic devices, and surgical tools, using biocompatible materials and with strict hygiene handling.
🤖 Robotics
We support OEMs and system integrators with custom components for automation systems, conveyors, robotic arms, and control panels.
🌱 New Energy
We support manufacturers of solar, wind, and water treatment equipment with corrosion-resistant and structurally strong components.
Yes, YP-MFG specializes in custom CNC machined parts based on your specific requirements. We work with a wide variety of materials such as aluminum, stainless steel, brass, titanium, and engineering plastics, and can manufacture parts according to your 2D drawings or 3D CAD models.
We support:
✔ One-off prototypes
✔ Small batch production
✔ Mass production orders
Whether your parts have complex geometries, tight tolerances, or specific surface finishes, our experienced engineering and production teams are here to deliver high-quality, cost-effective custom solutions. We also offer design for manufacturability (DFM) suggestions to help optimize your parts for better performance and lower cost.
All parts are 100% made to order — nothing is off-the-shelf.
Yes, we welcome customer visits! Our company in China, Shenzhen. Please schedule in advance so we can arrange a tour and technical discussion.
We are ISO 9001 certified. Upon request, we can provide RoHS, material certificates, and other compliance documentation depending on your market needs.
Please send us your 2D/3D drawings (PDF, STEP, DWG), material requirements, quantity, and any surface treatment. We will provide a quotation within 24–48 hours.
There is no strict MOQ. We support one-off prototypes as well as large batch production.
Yes, we are happy to sign a Non-Disclosure Agreement to protect your designs and intellectual property.
Absolutely. Our engineering team can provide suggestions to reduce cost and improve manufacturability.
We accept step, stp, stl, igs, iges, prt, sldprt, sat, x_t, and more format.
Yes, you can still get a quotation without a 3D file.
If you don’t have a CAD file, we can also quote based on:
Hand sketches (with measurements)
Sample photos + key dimensions
Physical samples (you can send us)
Our engineering team can help you create or convert your design into a machinable format if needed.
We accept T/T bank transfer, Bank Transfer, PayPal, Credit Card and Alibaba Trade Assurance. For large orders, payment terms can be discussed.
Yes, we always provide a pro forma invoice for confirmation and payment before production.
Prototypes: 5–7 working days
Small batch: 7–15 working days
Mass production: 15–30 working days
Lead time depends on part complexity and quantity.
We ship globally via DHL, FedEx, UPS, TNT, or by air/sea freight. We also work with your preferred freight forwarder if needed.
Yes, we provide all necessary export documents including commercial invoice, packing list, and certificate of origin.
Yes, we offer custom packaging services based on your specific requirements.
Whether you need:
📦 Branded or logo-printed packaging
📋 Labeled bags or cartons with part numbers/barcodes
🧩 Individual protective packaging for delicate parts
🌍 Eco-friendly or export-compliant packing
—we can accommodate your requests.
Just let us know your packaging standards or provide samples/photos, and we will ensure your parts arrive safely, professionally, and exactly the way you need for storage, resale, or distribution.
Yes, we offer expedited production and shipping services for urgent orders.
Depending on your part complexity and quantity, we can:
🕒 Prioritize your order in production
🚀 Use express delivery services such as DHL, FedEx, or UPS for fast international shipping
📦 Split shipments — send a partial batch early while the rest is in production
If you have a tight deadline, please let us know your required delivery date when requesting a quote. Our team will assess feasibility and provide the best lead time and cost options.
We perform full in-process and final inspection. Our QC team uses CMMs (Coordinate Measuring Machines), surface roughness testers, 2D projector, and other precision instruments.
Yes. We can provide dimensional inspection reports, material certificates, and surface finish reports as required.
We take full responsibility for any non-conforming parts due to our fault. We will remake or refund accordingly.
At YP-MFG, we take customer satisfaction seriously. If you have any issues with your order, here’s how we handle complaints:
Contact Us Immediately
Please email or call our sales representative within 7 days of receiving the goods. Provide clear details, including:Order number
Photos or videos of the issue
Description of the problem (e.g. dimension error, surface defect, missing items)
Quick Response
Our team will respond within 24 hours and launch an internal investigation with our production and QC departments.Solution Proposal
Once confirmed, we will provide a solution, which may include:Free rework or remake
Partial or full refund
Discount for future orders
Return shipping arrangements (if necessary)
- Follow-Up & Prevention
We record all issues and take corrective action to prevent recurrence. Your feedback helps us improve continuously.
We stand behind our quality and will ensure that any mistake is handled promptly, professionally, and fairly.
We process aluminum, stainless steel, carbon steel, copper, brass, titanium, plastics (PA, PEEK, ABS, etc.), and more.
Yes. We offer anodizing, polishing, sandblasting, powder coating, black oxide, zinc plating, and custom finishes upon request.
Yes. We offer fast turnaround prototyping services for product development and R&D teams.
Far far away, behind the word mountains, far from the countries Vokalia and Consonantia, there live the blind texts. Separated they live in Bookmarksgrove right at the coast
Yes, we fully support long-term partnerships and are open to signing annual supply agreements or framework contracts with our clients.
We offer:
- Stable pricing & priority production for long-term customers
- Scheduled or JIT (Just-In-Time) deliveries based on your forecast
- Inventory management support for recurring parts
- Contract manufacturing agreements to ensure continuity and confidentiality
- Engineering support for part optimization over time
We value strong, reliable relationships and are committed to being your trusted manufacturing partner — not just for one order, but for the long term.
Definitely. We recommend approving a pre-production sample or small batch before moving to full production.
Parts are packed with protective materials (EPE, foam, plastic bags) and export-grade cartons or wooden boxes. Labels and barcodes can be customized.
Yes, we will provide tracking information once the order has been shipped.
Can’t Find What You’re Looking For?
Still have questions? No problem — we’re here to help. If you didn’t find the answer you need in our FAQs, feel free to reach out to us directly.
Our friendly and knowledgeable team is always ready to support your project!