Quailty Control
Our Quality Policy
We operate a system of quality management which is approved and certified to ISO 9001:2015 standards. This reflects our commitment to continuous quality improvement and customer satisfaction.
- ISO 9001:2015 certified
- 200,000 + quality parts produced
- Tolerances down to ±0.0004″ (0.01mm)




Scientific Management
Establish standardized and scientific management concepts; Formulate reasonable working methods and operating codes;
Train excellent employees with first-class skills; Improve production efficiency.


Lean Production
Based on the expectation and values from customers, we continue to strengthen many aspects of operation and management such as production planning management, production process optimization, supply chain coordination optimization, production cost control, and staff quality. Continual improving, pursuing excellence, and continuously enhance customer satisfaction.


Quality and Efficiency
Based on the expectation and values from customers, we continue to strengthen many aspects of operation and management such as production planning management, production process optimization, supply chain coordination optimization, production cost control, and staff quality. Continual improving, pursuing excellence, and continuously enhance customer satisfaction.
Let GL be the safest and most dependable choice for your next manufacturing project.


React Quickly and Effectively to Quality Issues
GL aims to deliver exceptional prototypes and parts that fulfill your specific requirements. In the event that your order fails to meet your specifications, we can process a rework or a refund. Feel free to contact our experts if you come across any quality issues within 1 month of receiving your goods. Let us know of the issue within five business days from receipt, and we’ll address them within 1 to 3 business days.
Conditions for Rework
After advising us of the concern, we review the design and samples to check for inconsistencies. We then fix the complaints and send replacements immediately.
- Unacceptable processing defects
- Fail to meet tolerance requirement
- Incorrect material / finish
Conditions for Refund
Refunds are quickly processed upon confirmation of product issues, and return is processed.
- The part is not machinable
- The customer does not agree to rework
- Other reasons

