Holiday Notice: PCBWay factories will be on holiday from Sept 30th to Oct 2nd (GMT+8). Orders can be placed as usual during holidays, the delivery date shall be postponed accordingly. Read more >>

PCB Prototype the Easy Way

Full feature custom PCB prototype service.

Persistently Adhere to Stringent Quality Control

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PCBWay's Quality Control Measures

PCBWay focus on producing high-quality products that meet or exceed customers’ expectations.

Quality Control Solutions

Quality Control
We maintain high-quality standards through careful partner selection, top-notch materials, and adherence to international standards.
Customer Satisfaction
We value customer feedback and continuously strive to enhance our services and products, ensuring exceptional customer experiences.
Supply Chain Reliability
We closely monitor all partners involved in production and delivery to ensure a dependable supply chain, enabling timely project completion and meeting customers' supply needs.

PCBWay’s Manufacturing Standards

CNC Machining standards
3D Printing standards
Sheet Metal standards
Injection Molding standards
Vacuum Casting standards

CNC Machining standards

We will adhere to ISO 2768-1 standards to control tolerances. In cases where tighter tolerances are required, a technical drawing will be necessary to indicate critical dimensions.


Electrical Discharge Machining

CNC Machining parameter standard

Limits for nominal size Plastics Coarse class (c) Metals Medium class (m)
0.5mm* to 3mm ±0.2mm ±0.1mm
3mm to 6mm ±0.3mm ±0.1mm
6mm to 30mm ±0.5mm ±0.2mm
30mm to 120mm ±0.8mm ±0.3mm
120mm to 400mm ±1.2mm ±0.5mm
400mm to 1000mm ±2.Omm ±0.8mm
1000mm to 2000mm ±3.0mm ±1.2mm
2000mm to 4000mm ±4.Omm ±2.0mm

PCBWay’s Quality Control Standard

PCBWay ensures top-notch quality standards from material selection to final inspection.

Preliminary Document Assessment
Stringent Material Quality Control
Advanced Manufacturing Machinery
Continuous Quality Monitoring
Final Product Evaluation
Thorough Oversight
preliminary document assessment

Our engineering team evaluates your part design for accuracy and compliance.

We prioritize structural integrity and meticulous workmanship.

We analyze the selected materials and surface finish requirements.

From Prototyping to Production

PCBWay upholds top-notch quality standards from material selection to final inspection in our production process.


Rapid Prototyping

With our instant quoting and strong capacity, expect prototypes in short lead times.

strict production

Strict Production

Bridge the gap between design and product rollout seamlessly.

on demand production

On-Demand Manufacturing

Our full-service ensures high precision and quality products on demand.

Inside Our Specialized Manufacturing Factories

Sheet metal facility in Hangzhou, China
Established 2013
Capabilities Laser Cutting, Bending, Welding, Punching, etc
Machines 85
Equipment Amada, Muratec, Bystronic
3D printing factory in China
Established 2013
Capabilities SLA, SLS, DLP, MJF, FDM, SLM
Machines 200+
Equipment UnionTech, HPMJF, BLT
3D printing factory in Shanghai, China
Established 2013
Capabilities SLA, SLS, DLP, MJF, FDM, SLM
Machines 128
Equipment UnionTech, HPMJF, BLT
CNC machining factory in Hangzhou, China
Established 2013
Capabilities 5-Axis Milling, Lathe, Deep Hole Drilling, EDM, etc
Machines 100+
Equipment Mazak, Okuma, Makino
CNC machining factory in Shenzhen, China
Established 2013
Capabilities 5-Axis Milling, Lathe, Deep Hole Drilling, EDM, etc
Machines 54
Equipment Mazak, Okuma, Makino
CNC machining factory in Shanghai, China
Established 2013
Capabilities 5-Axis Milling, Lathe, Deep Hole Drilling, EDM, etc
Machines 72
Equipment Mazak, Okuma, Makino
Sheet metal facility in China
Established 2013
Capabilities Laser Cutting, Bending, Welding, Punching, etc
Machines 100+
Equipment Amada, Muratec, Bystronic

PCBWay's Advanced Equipment

To support our rigorous quality control procedures, our production facility is equipped with dedicated workshops for
meticulous inspections and cutting-edge equipment.

Amada Pega NCT Punch Machine

Amada Pega NCT Punch Machine

Amada Press Brake Machine

Amada Press Brake Machine

Mazak 3 axis 4 axis 5 axis

Mazak 3 axis 4 axis 5 axis

Mitsubishi Laser Cutting Machine

Mitsubishi Laser Cutting Machine

Sodick EDM Equipment

Sodick EDM Equipment


Quality Certifications

PCBWay's quality management system is ISO 9001:2015 certified. We also have manufacturing partners in our ecosystem with the following certifications:

PCBWay offers certifications for your orders including:

Resolving Quality Concerns for You

If your order does not meet your specifications, we offer options for rework or refund. Should you encounter any quality issues within one month of receiving your goods, please reach out to our experts. Notify us of the issue within five business days of receipt, and we will promptly address it within 1 to 3 business days.


Upon receiving a complaint, we thoroughly examine the design and samples to identify any discrepancies. We promptly address the complaint and initiate immediate rework as necessary.


Quickly process refunds after confirming product issues.Ensuring customer satisfaction and prioritizing customer interests.

PCBWay's Material Display

We have over 100 materials and 50+ surface treatment processes for you to choose from.

CNC machining
3D printing
Sheet metal
Injection molding
Vacuum casting


How does CNC machining and 3D printing affect the surface quality of products?

CNC machining typically provides a high surface quality with a smooth, fine surface texture. However, the surface quality of 3D printing is usually rough, and subsequent processing is required to achieve a better surface finish. However, with the development of 3D printing technology, some advanced 3D printing methods are also able to provide higher quality surfaces, but usually require additional processing steps.

How is the quality control of CNC machining and 3D printing in manufacturing?

Both CNC machining and 3D printing require quality control to ensure products meet specifications. In CNC machining, common quality control methods include dimensional inspection using precision measuring tools, surface quality assessment, and functional testing. For 3D printing, quality control includes checking printing parameters, material quality, and print quality, as well as conducting post-processing and testing.

How does PCBWay ensure high-quality manufacturing?

Equipment Maintenance and Calibration: Regular maintenance and calibration of machine tool equipment is fundamental to ensuring high-quality manufacturing. Maintain the accuracy and performance of equipment, including regular inspection and replacement of tools, checking the accuracy of sensors and measuring instruments, etc.

Appropriate process planning: formulate appropriate process planning, including reasonable cutting parameters, tool selection and machining path planning. Ensuring that each process is carefully planned and optimized to achieve the required precision and surface quality requirements.

Quality Control Measures: Establish strict quality control measures, including the use of advanced measuring instruments for dimensional inspection and surface quality assessment. Carry out process monitoring and statistical process control to discover and correct potential quality problems in time.

Material selection and inspection: Select high-quality raw materials that meet the requirements, and conduct incoming inspection to ensure their quality meets the specifications. Proper material selection is critical to the quality and performance of the final product.

Training and skills: Provide necessary training and skill improvement for operators to ensure that they have the correct processing knowledge and technical capabilities, and can accurately operate machine tools and implement process requirements.

Continuous improvement: regularly evaluate and analyze the production process, look for opportunities for improvement, and take appropriate measures to improve production efficiency and product quality. Drive continuous improvement with advanced technologies and tools, such as data analytics and automated systems.

What services can PCBWay provide you?

We offer rapid prototyping, small-scale and large-scale batch manufacturing with CNC machining, 3D printing, sheet metal, injection molding, vacuum casting and etc. Our factories are ISO-9001 certified, instant online quotation and lead time from 3 days.

How to carry out the quality control of CNC machining in manufacturing?

Quality control in CNC machining during production manufacturing is crucial to ensure that products meet specifications and requirements. The process involves various steps, including design validation, material inspection, setting appropriate machining parameters, validating CNC programs, conducting first piece inspections, monitoring processes, performing periodic and final inspections, checking surface quality, and maintaining records for traceability. These methods collectively aim to guarantee dimensional accuracy, surface finish, and functionality of the final product. By implementing effective quality control measures, CNC machining ensures consistent and reliable results, meeting the highest standards of quality in various industries.

2K+ Customer Say About Our Support

We have over 100 materials and 50+ surface treatment processes for you to choose from.

"I am very impressed with PCBWay's excellent service. They provide fast and reliable solutions for various functions."


Product Designer