About Us
Precision Manufacturing from Shenzhen
A trusted electronic manufacturing partner with international certifications and global reach.
Our Story
Founded in Shenzhen, the heart of China's electronics industry, WSJ Electronic has grown from a local SMT assembly shop into a comprehensive electronic manufacturing services provider serving clients worldwide.
We have invested in advanced imported equipment and recruited experienced management and technical talent to meet the high-precision demands of modern electronics. Our commitment to quality is reflected in our multiple international certifications.
Today, we partner with over 1000 companies across industrial, transportation, medical, consumer electronics, telecommunications, energy, and IoT sectors, delivering high-quality products at competitive prices with reliable lead times.
Our Journey
Key milestones in our growth and development.
Company Founded
Established in Shenzhen with a focus on SMT assembly services.
ISO 9001 Certified
Achieved quality management system certification.
Medical Division
Obtained ISO 13485 certification for medical device manufacturing.
Automotive Entry
IATF 16949 certification for automotive electronics production.
Global Expansion
Reached partnerships with over 800 clients worldwide.
1000+ Clients
Serving clients across 7 major industries globally.
Certifications & Quality
Our quality system is validated by leading international certification bodies.
ISO 9001
Quality Management System - Ensuring consistent product quality and customer satisfaction.
ISO 13485
Medical Device Quality Management - Meeting stringent medical industry requirements.
IATF 16949
Automotive Quality Management - Delivering reliability for automotive applications.
ISO 14001
Environmental Management - Minimizing environmental impact in manufacturing.
SGS Certified
Third-party verification of product quality and compliance.
UL Certified
Safety certification for electronic components and assemblies.
Our Values
Quality First
Every product undergoes rigorous quality control processes, from incoming inspection to final testing.
Customer Focus
We build long-term partnerships by understanding and exceeding customer expectations.
Continuous Improvement
Investing in advanced equipment and training to stay at the forefront of manufacturing technology.
Precision Delivery
On-time delivery with competitive pricing, without compromising quality standards.