Quality Assurance
Winow believes quality is the foundation of success. Every board we deliver reflects our commitment to world-class manufacturing standards.
Winow New Energy Co., Ltd. follows TS16949 and ISO9001 international quality certification systems, as well as IPC-A-600F and MI quality control standards. All production meets UL requirements. Quality is our top priority — it's what makes Winow a trusted PCB manufacturer for quick-turn service in China.
Quality Targets
Our measurable commitments to excellence, reviewed and improved continuously.
Passed double-sided PCB
Passed multilayer PCB
Finished checking qualified rate
On-time delivery rate
Through the production rate
Material loss rate
Quality Management System
Winow has passed ISO9001 and ISO/TS16949 quality management system certifications. A complete quality control system and strict adherence to standards are the strong guarantees behind every PCB we produce. For customers with special quality requirements, Winow strives to meet — or exceed — your expectations.
PCB Manufacturing Quality Supervisor System
PCB Manufacturing Quality Control Flow
PCBA Quality Control System
Our PCBA operations are governed by a rigorous three-stage quality framework:
- IQC (Incoming Quality Control) — every component is inspected before use
- IPQC (In-Process Quality Control) — real-time monitoring during production
- CQA (Customer Quality Assurance) — final inspection before shipment
Combined with advanced test equipment including ICT (In-Circuit Test) and functional testing, we ensure every assembled board meets your specifications.
Quality Commitment
- Response to customer inquiries: within 2 hours
- Problem resolution: within 2 days
- Customer complaint rate: below 1%
- Return rate: below 0.1%
Continuous Improvement
We believe quality is never "done." Through ongoing investment in training, equipment, and process refinement, Winow continuously raises the bar — so you receive boards that perform reliably, every time.
Partner with a quality-driven manufacturer
Let our engineering team review your design for manufacturability — at no cost.