We don't outsource your bare board. Our 5 IPI smart manufacturing bases produce the PCB directly — from FR-4 standard boards to Rogers high-frequency laminates, HDI blind/buried via designs, rigid-flex, and heavy copper boards.
This integration matters: when your board arrives at assembly, our engineers already know its stack-up, impedance targets, and any DFM constraints. No translation loss between suppliers.
Fabrication capabilities included:
Sourcing is where turnkey service providers either add value or add risk. Ours adds value.
We source through authorized channels only:
Anti-counterfeit protocol: Every incoming component batch goes through:
No gray-market parts. No unapproved substitutions without your sign-off.
BOM management:
Our assembly follows the same IPC-A-610 Class 2/3 standards regardless of order volume. Key processes:
A finished board isn't finished until it's verified. Our standard turnkey quality package includes:
| Test | Coverage |
|---|---|
| SPI | 100% paste inspection pre-placement |
| AOI | 100% automated optical inspection post-reflow |
| X-Ray (AXI) | All BGA, LGA, QFN packages |
| ICT | Opens, shorts, component values (where fixturing exists) |
| FCT | Functional test per your test specification |
| IPC-A-610 Final Visual | Class 2 standard; Class 3 available |
If you have a proprietary functional test fixture or test script, we'll integrate it into our line. If not, our engineers can help design a basic boundary-scan or power-on test protocol.
Full turnkey often extends beyond the board itself:
| Full Turnkey | Partial Turnkey | Consigned | |
|---|---|---|---|
| PCB fabrication | ✅ We provide | ✅ We provide | ❌ You provide |
| All components | ✅ We source 100% | ✅ You supply some, we source rest | ❌ You supply all |
| Assembly & test | ✅ We handle | ✅ We handle | ✅ We handle |
| Best for | Simplicity, single vendor | Some proprietary parts | Custom BOM control |
| Lead time | Longest (but predictable) | Medium | Shortest |
| Your effort | Minimal | Low | Moderate |
Recommendation: Full turnkey works best when speed-to-market and supply chain simplicity matter more than per-unit cost optimization. For teams without a dedicated procurement function, it's often the lower-cost option when you factor in staff time.
Full turnkey isn't just for production. We run full turnkey prototype builds starting from 5 pieces.
Why use turnkey for prototypes?
Prototype turnkey timeline (typical):
For ultra-fast prototypes with available components, we can compress this to 5–7 business days.
AI Hardware Startups & Scale-ups From first-generation prototype to first production run, AI hardware teams rely on our turnkey service to move fast without building a procurement team. We understand GPU module assembly, high-speed memory stacks, and complex backplane builds.
Automotive Tier 2 Suppliers IATF 16949 process discipline, AEC-Q100 component sourcing, and Class 3 assembly quality for ECUs, ADAS systems, and EV power electronics.
Medical Device Manufacturers ISO 13485 certified turnkey assembly with full lot traceability, FDA QSR 820 documentation support, and biocompatible material handling.
Industrial Equipment OEMs Conformal-coated, ruggedized boards for factory environments — assembled and tested to withstand vibration, humidity, and wide temperature cycles.
Defense & Aerospace (Commercial Grade) High-reliability assembly with AS9100-aligned process controls, 100% X-ray inspection, and extended traceability documentation.
Vertical integration. PCB fabrication and PCBA assembly under one roof means no inter-supplier delays, no finger-pointing when something goes wrong, and no quality gap between the board and the assembly.
29 years of supply chain intelligence. We've sourced millions of components across thousands of BOMs. We know which parts have counterfeit risk, which distributors are reliable for specialty items, and how to keep your project moving when a component goes on allocation.
Engineering in the loop. Our 6 in-house design centers mean engineers are available for every stage — from DFA review before production to failure analysis if something unexpected appears.
Transparent process. You receive SPI data, AOI reports, X-ray images, and test results for every order. No black-box manufacturing.
| Parameter | Specification |
|---|---|
| PCB Layers | 1 – 56 layers |
| Min. Component | 01005 |
| BGA Pitch | 0.3mm minimum |
| Placement Accuracy | ±0.025mm |
| IPC Class | Class 2 & Class 3 |
| Inspection | SPI + AOI + X-Ray + FCT |
| Conformal Coating | Acrylic, PU, Silicone, Epoxy |
| Firmware Programming | ISP, JTAG, UART |
| Box Build | Enclosure assembly available |
| Certifications | ISO 9001, ISO 13485, IATF 16949 |
| Minimum Prototype Qty | 5 pieces |
| Standard Lead Time | 7–15 business days (turnkey prototype) |
Full turnkey pricing includes:
We don't hide costs. Our quotes break down each line item, so you know exactly where your money is going and where to optimize as you scale.
Upload your Gerber files, BOM (Excel or CSV), and assembly drawing. Tell us your target quantity and delivery date. We'll come back with a detailed quote and DFA feedback.
Founded in 1997 and headquartered in Shenzhen, KINGBROTHER specializes in electronic interconnection technologies and hardware innovation. We focus on electronic product R&D, AI hardware solutions, engineering services, integrated design and manufacturing, and supply chain capabilities to deliver comprehensive PCB manufacturing, IPD (Integrated Product Development), and EMS services.
We are committed to becoming a world-class AI hardware solutions and manufacturing service provider, offering one-stop solutions for AI robots, industrial control, medical devices, new energy, and automotive electronics, helping our customers accelerate innovation and bring products to market faster.
We adhere to systematic design as our foundation, offering hardware, software, and industrial design services. With 6 self-owned design centers and a knowledge base including 3.27 million certified materials and 2,368 DFI rules, we significantly reduce design iterations by 60-80% and increase customer project success rates by 35%.
We have built an integrated technology chain from IC design IPD and PCB to integrated product manufacturing IPI. With 300+ technical solutions and over 2,500,000 product models and project verifications, we achieve closed-loop collaboration and optimization throughout the hardware innovation process.
Through strict QIS quality management systems and full-chain engineering empowerment via DF8, failure analysis, and process control, we eliminate 90% of pad defects and 70% of assembly risks, ensuring product safety for our customers.
Leveraging 5 IPI smart manufacturing bases and a cloud alliance of over 100 factories, we have established a flexible production system for small-batch, multi-batch needs. Our mature global supply chain ensures quick response and delivery, especially in component procurement.
With 29 years of expertise in high-end and specialty PCBs, we deliver reliable and flexible manufacturing solutions. We offer prototyping, quick-turn, and small-to-medium volume PCBs, including multilayer, HDI, high-copper, and rigid-flex boards, backed by a one-stop PCB service that empowers clients across industries, from AI hardware to cutting-edge electronics, to accelerate product innovation and bring ideas to market faster.
Reliable AI hardware solutions with full-lifecycle supply chain support. We provide highly reliable electronic manufacturing services. Our integrated PCBA, BOM management, NPI engineering and advanced failure analysis to guarantee reliable performance at every stage.
We focus on independent design house (IDH) and CAD design, providing AI hardware solutions and covering services such as hardware design, software design, industrial design, and EDA development.
100% Complete & Professional Solutions: From Design to Manufacturing.
