PCB

PCBA

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PCB Manufacturing

Multilayer PCB、FR-4 PCB、High-frequency PCB、Aluminum-based PCB、Copper-based PCB、Flexible PCB（FPC）、Rigid-Flex PCB ……

PCB Assembly

SMT Assembly (Surface Mount Technology)、DIP Assembly (Through-hole Technology)、Functional Testing (FCT)、In-Circuit Testing (ICT) ……

Value-added Services

Component Sourcing / Procurement、Design for Manufacturability (DFM)、Design for Testability (DFT)、Box Build Assembly ……

Quality Assurance

Technical Capabilities

Factory Strength

Global Presence

Application Industry

Who are we

Professional PCB manufacturer

Success Circuit Group Co., Ltd. (Global Success Circuit Co., Ltd./SRD Circuit Co., Ltd.) is a professional one-stop manufacturer of PCB and PCBA, established in Shenzhen, China in 2005. We have 2 PCB factories and 2 SMT assembly factories, dedicated to PCB design, double-sided, multi-layer PCB manufacturing, component procurement on behalf of customers, and PCBA manufacturing services. We have a complete set of world-class PCB production and testing equipment to meet any order structure of customers. With precise production positioning, stable delivery and excellent quality assurance, we have created a good reputation in the global circuit board market. Our company carefully selects materials and produces carefully in accordance with the ISO9001 quality management system. All delivered products have passed the company’s strict professional performance testing, are stable in function, and can meet the needs of the customer market.

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Smart Production, Local Support

Trusted Manufacturing, Global Support

We operate two advanced factories in Shenzhen and Vietnam, supported by service centers in Wuhan and the USA. Together, they form a smart, responsive network to meet your global manufacturing needs.

Shenzhen Factory:High-precision PCBA, fast prototyping, and full product assembly in China’s innovation hub.
Vietnam Factory:Cost-effective, large-scale production with international standards—ideal for tariff reduction and supply chain diversification.
Wuhan Service Center:Fast local support and project coordination across China’s central region.
USA Service Center:Real-time communication, technical support, and after-sales service for North American clients.

From idea to delivery — we support your product every step of the way.

Jiangsu Factory

Jiangxi Phase I plant

Jiangxi Phase II Plant

China PCBA factory

Vietnam PCBA factory

Service Advantages

Excellent and reliable quality

Equipped with advanced production machinery and implementing end-to-end quality control procedures, we ensure every product meets rigorous standards.
All components used are guaranteed to be original and authentic.
In the event of any quality issues, immediate replacement is provided to safeguard our clients’ interests.

Competitive and Sustainable Pricing

We offer a well-structured and sustainable pricing system designed to ensure long-term value.
Supported by a stable, high-quality supply chain, we maintain cost-efficiency without compromising on quality.
Additional discounts are available for bulk orders, enabling further cost advantages for our clients.

Exceptional Customer Service

We offer complimentary prototyping services to support your project from the outset.
Every client is treated with the highest level of attention and priority.
Our support team is available 24/7 to ensure timely assistance whenever you need it.

High Flexibility and Customization

We offer a broad range of rapid prototyping services to support accelerated product development.
Customized solutions are available to meet diverse client requirements across different industries.
Our production capabilities cover both small sample runs and large-scale manufacturing, ensuring adaptability at every stage.

Our Service Scale

Global Reach, Proven Capability, Trusted by Thousands

With over 20 years of experience in the PCB industry, we have built a strong global presence and earned the trust of thousands of clients through consistent quality and responsive service.

Key Facts:

On-Time Delivery Rate Over 98%
Customer Satisfaction Above 95%
Certified for ISO, UL, RoHS, and other industry standards

From rapid prototyping to mass production, we are committed to delivering reliable solutions, professional support, and long-term value for every customer.

4

Factory

20＋

Years Experience

1200+

Employees

200+

Nation

2000+

Active Clients

Industries We Serve

Comprehensive PCB Solutions for Every Sector

we provide reliable PCB manufacturing and assembly services for a wide range of industries. Our technical expertise, fast turnaround, and strict quality control make us a trusted partner for clients with diverse and demanding applications.

We serve industries including:

Consumer Electronics – Smartphones, wearables, smart home devices
Automotive – EV systems, control units, infotainment, lighting
Medical – Diagnostic devices, patient monitoring, imaging systems
Industrial Automation – Motor controls, sensors, industrial power boards
Telecommunications – Routers, base stations, RF modules

Whether you need prototypes, small batch runs, or full-scale production, delivers precision, consistency, and performance — across every application.

Our Quality Commitment

Global Certifications ＆ Quality Assurance

We strictly adhere to internationally recognized quality management systems：

√ ISO 9001 – Quality Management System
√ ISO 14001 – Environmental Management System
√ ISO 13485 – Medical Device Quality Management System
√ IATF 16949 – Automotive Electronics Quality System
Our products comply with global environmental and safety regulations including RoHS, REACH, and are certified by UL, CE, FCC, and more.

All manufacturing processes are conducted in accordance with IPC-A-610 standards, ensuring stable, reliable, and high-quality electronic manufacturing solutions for our customers worldwide.