| Metal Coating: | Conformal Coating |
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| Mode of Production: | SMT |
| Layers: | Double-Layer |
| Samples: |
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| Customization: |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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| Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Suppliers with verified business licenses
Audited Supplier
| Stencil Size: | 736x736mm |
| Minimum IC Pitch: | 0.2mm |
| Maximum PCB size: | 1200x 500mm |
| Minimum PCB thickness: | 0.25mm |
| Minimum chip size: | 0201 (0.2x0.1)/0603 (0.6 x 0.3mm) |
| Maximum BGA size: | 74x74mm |
| BGA ball pitch: | 1.00mm (minimum), 3.00mm (maximum) |
| BGA ball diameter: | 0.40mm (minimum), 1.00mm (maximum) |
| QFP lead pitch: | 0.38mm (minimum), 2.54mm (maximum) |
Volume: |
One piece to low volume production quantities Low cost first article builds Schedule deliveries |
Assembly type: |
Surface mount(SMT) assembly DIP assembly Mixed(surface mount and through hole) technology Single or double sided placement Cable assembly |
Components type: |
Passive components: As small as 0402 package As small as 0201 with design review Ball Grid Arrays(BGA): As small as .5mm pitch |
Parts procurements: |
Turnkey(we supply the parts) Consigned(you supply the parts) You supply some parts, we do the rest |
| Solder type: | Leaded ,Lead-free/ROHS compliant |
Other capabilities: |
Repair/rework services Mechanical assembly Box build Mold and plastic injection. |
| PCB Assembly | ||
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Order Conditions
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Standard Delivery Date
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The Fastest Delivery Date
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Prototype (<20 PCS)
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2-3 days
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12 hours
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Small Volume (20-100 PCS)
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4-5 days
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24 hours
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Medium Volume (100-1000 PCS)
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6-8 days
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36 hours
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Mass Production (>1000 PCS)
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Depends on BOM
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Depends on BOM
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We are the top china PCB manufacturer from low to mass production.
USUN coordinates the whole process which includes manufacturing, design, assembly, testing and finally shipment. You got a real product according to your design.
The world of PCB assembly manufacturer is changing rapidly.
In order to provide superior production services. We permanently reinvent ourselves.
Our PCB assembly services consistently meet and exceed our customer's expectations for quality, price, and delivery.
We are committed to our customers' growth and success.
Our services extend beyond other PCB manufacturing and assembly Service Providers: more opportunities, more benefits, more reliability, and directly from the Chinese PCB assembly factory.
USUN employs current state-of-the-art circuit board production equipment, brings together experienced professionals for management, and introduces the latest technologies to ensure reliable and fast product delivery to customers.
Q: Are my files safe?
A: Your files are held in complete safety and security. We protect the intellectual property for our customers in the whole process.. All documents from customers are never shared with any third parties. We are willing to sign NDA effect by customer side local law and promising to keep customers data in high confidential level.
Q: What is your minimum order quantity (MOQ)?
A:Our MOQ is 1 PCS, sample and mass production all can support.
Q: How to calculate the shipping cost?
A:The shipping cost is determined by the destination, weight, packing size of the goods. Please let us know if you need us to quote you the shipping cost.
Q:How can we guarantee you receive an good quality product?
A:For PCB, we will use Flying Probe Test, E-test etc. for it.
For PCBA, we need you to offer us a method or test fixture for the function test.Before that, our inspectors will use microscope and X-ray to check the IC footwelding or bad solder etc.
Q: What kind of documents/files do you need for quotation?
A:For PCBA project, please send us your Gerber files, BOM(bill of material),and pcb specification.
For plastic enclosure/junction box/shell, please send us your 3D drawing,and material.
For ODM/Engineer Development service, please consult our sales engineer for more details.
Suppliers with verified business licenses
Audited Supplier 
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