Turnkey PCB Assembly

One-Stop Electronic Manufacturing Solutions from Shenzhen Qingjian Electronic Technology Co., Ltd.

Looking for a reliable turnkey PCB assembly service provider in China? Shenzhen Qingjian Electronic Technology Co., Ltd., a wholly-owned subsidiary of Bangyan Technology Co., Ltd., delivers comprehensive one-stop EMS (Electronics Manufacturing Services) that take your product from concept to completion.

With over 15 years of manufacturing experience and cutting-edge facilities, we are your trusted partner for turnkey PCB assembly.

What is Turnkey PCB Assembly?

Turnkey PCB Assembly is an all-in-one service that manages every stage of your PCB production lifecycle—from:

• PCB Design

• Component Sourcing

• Board Fabrication

• SMT Assembly

• Final Product Testing

With a turnkey partner like Qingjian Electronics, you save time, reduce costs, and avoid the complexities of coordinating with multiple vendors.

Our Turnkey Capabilities

PCB Design & Engineering Support

Our expert team can assist in PCB layout, stack-up optimization, and DFM/DFT reviews, ensuring high-quality manufacturing from the very beginning.

PCB Fabrication

We offer quick-turn and high-volume multilayer PCB manufacturing (1–32 layers), using materials such as:

• FR4

• Rogers

• Aluminum

• HDI

• Other specialty materials

Component Sourcing

With a robust supply chain network and strategic partnerships with global distributors like Digi-Key, Mouser, and Arrow, we provide cost-effective and authentic electronic components.

We support both consigned and full turnkey sourcing models.

SMT & DIP Assembly

Equipped with Samsung high-speed placement machines and ERSA reflow/wave soldering systems, we handle:

• 0201/01005 SMD parts

• BGA, QFN, QFP with 0.3mm pitch

• Double-sided SMT

• DIP plug-in and selective soldering

Functional Testing & Aging

We provide 100% inspection services, including:

• AOI (2D/3D)

• X-ray for BGA solder joints

• ICT/FCT

• Burn-in/Aging test

• Blue Eye First Article Inspection

Final Product Assembly

We handle complete box build services, including:

• Enclosure manufacturing

• Cable and harness assembly

• Firmware flashing and calibration

• Final testing and packaging

Why Choose Qingjian Electronics?

• End-to-End Manufacturing Experience

• MES-Driven Smart Factory

• Certified Quality (ISO9001, RoHS, IPC-A-610)

• Flexible Order Volumes

• Global Customer Base

Founded in 2008

Qingjian Electronics has evolved into a full-spectrum EMS provider with more than 2260 sqm of workshop area and a highly integrated supply chain.

MES-Driven Smart Factory

We operate with a state-of-the-art Manufacturing Execution System (MES) to achieve real-time process traceability, production efficiency, and consistent quality.

Certified Quality

We strictly follow ISO9001 quality management standards and adhere to RoHS, IPC-A-610, and other industry certifications.

Flexible Order Volumes

We support prototypes, small-to-medium batches, and mass production — ideal for startups and established OEMs alike.

Global Customer Base

Our products serve diverse industries such as:

• Telecom & Networking

• Medical Electronics

• Automotive Electronics

• Industrial Control Systems

• Smart Home Devices

• Security & Surveillance

• Consumer Electronics

Industries We Serve

Fast Turnaround, Competitive Cost, Trusted Quality

At Qingjian Electronics, our focus is on delivering results—on time and on budget.

Whether you're launching a new product or scaling up production, we ensure seamless coordination, transparent communication, and agile support throughout your project lifecycle.

Contact Us for a Free Quote

Partner with one of China’s leading turnkey PCB assembly companies to accelerate your product development.