| Metal Coating: | Copper |
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| Mode of Production: | SMT+DIP |
| Layers: | Multilayer |
| Base Material: | FR-4 |
| Certification: | RoHS, ISO, ISO13485/ IATF16949 |
| Customized: | Customized |
| Samples: |
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| Customization: |
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| PCB assembly Layers | 1 Layers to 36 layer (standard, including HDI board ) |
| PCB assembly material/type | FR4, Aluminum, CEM1, Supper-thin PCB, FPC/Gold finger |
| PCB Assembly service type | DIP/SMD or Mixed SMD & DIP |
| Base material thickness | 0.2-3.6mm |
| Copper thickness | 18um(H/HOZ),35um(1/1OZ),70um(2/2OZ),5OZ |
| Assembly surface finish | Gold-plated, HASL,OSP, ENIG |
| PCB Dimension (max) | 500*700mm |
| IC Pitch(min) | 0.2mm |
| Chip size(min) | 01005 |
| Drilled hole size(min) | 0.075mm |
| Track width/spacing(min) | 3mil |
| IC Encapsulation type | SOP/CSP/SSOP/PLCC/QFP/QFN/BGA/FBGA/u-BGA |
| Outline tolerance | ±0.1mm |
| Hole diameter tolerance | ±0.076mm |
| Hole location tolerance | ±0.076mm |
| V-CUT tolerance | ±0.1mm |
| Warp | according to the IPC-600F standard |
| Required Docs for PCBA | Gerber file with BOM list & Pick-N-Place File(XYRS) |
| Sample lead time | Single side:2-3 working days, Double-side:3-4 working days, Multi-layer:8-10 working days |
Grandtop have been providing a high quality & cost effective PCB assembly one stop solution to customer since 2005. We have 16 years PCB&PCBA OEM/ODM experience.Our full turnkey service includes Printed Circuit Board Design & Layout, PCB production, Components sourcing, PCB assembly, Conformal Coating,Software Development, Enclosure Design & Development, Functional Testing and Mechanical Assembly/ Box Build.
Whether you require electronic assembly, hardware or embedded software design, PCB supply, PCB layout, pre-compliance EMC testing or any combination of the above, we have the capability to turn your ideas into reality based on ISO9001-certified and IPC-A-600 & IPC-A-610 compliant production facilities.
About US:
150+ employees
Takes over area of 6000 square meters
Managed by Kingdee ERP system
Locations:
Shenzhen Factory
Hongkong Office & Warehouse
UK London Warehouse
USA Office & Warehouse
Our PCBA and products are widely used in industrial control, medical device, food equipment, laser module, communication device, PLC module, transducer module, traffic control, automobile, smart home system, smart POS. We cooperate with worldwide clients and have long-term cooperated customers in USA, Canada, UK, Germany, Switzerland, Australia etc. which can be your reference.
Q1.Can we inspect quality during production?
Yes, we are open and transparent on each production process with nothing to hide. We welcome customer inspect our production process and check in house.
Q2. What file formats do you accept for PCB production?
Gerber file: CAM350 RS274X
PCB file: Protel 99SE, P-CAD 2001 PCB
BOM: Excel (PDF,word,txt)
Q3. Does HENGKAITUO accept small order for PCB assembly?
Yes, we consider all orders as a blessing, and we appreciate all buyers as valued dealers, will pay high attention to a small order as a bulk order
Q4. Is Hengkaituo a trading company or factory?
Grandtop is PCBA Manufacture with strong engineering team who can help customers to do ODM & OEM PCBA one stop service since 2004.
Q5. Do I need to pay deposit for an order?
For sampling or small pcb assembly order, Grandtop usually requires 100% full payment before shipping. For bulk order, 50% deposit with orde, the balance was paid before delivery
Q6. Are my files safe?
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.
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