Quality control process for producing custom parts
Learn about Longsheng’s advanced manufacturing processes, our strict implementation of ISO quality standards and ISO 90001:2015 certification guarantee the consistent quality, accuracy and durability of your custom parts and prototypes.
- Guaranteed consistent quality
- ISO 9001:2015 certified
- First article inspection
Make quick solutions to quality problems
To ensure that each custom part you order meets the highest manufacturing standards, we can rework or refund if the order does not meet your specifications. You only need to inform us of the problem within 5 working days after receiving the goods, and we will solve it within 3 working days.
Conditions for Refund
After confirming product issues, we will promptly process refunds and handle returns to ensure customer satisfaction and swift issue resolution.
- Damaged or Lost Goods
- Parts cannot be machined
- Unsatisfactory Product Quality
- Other reasons
Conditions for Rework
After raising an issue, we will review the design and samples to check for any inconsistencies. We will then promptly address the complaint and send replacement parts immediately.
- Specification mismatch
- Defects or flaws
- Inaccurate dimensions
- Other reasons
ISO & IATF Certifications
We provide high quality manufacturing solutions for complex and precision parts such as optical parts, automotive parts, medical devices or aerospace parts, and in order to demonstrate our commitment to quality and excellence, we actively seek and obtain accreditation from reputable organizations.
- ISO 9001:2015
- IATF 16949:2016
Quality Documentation
We ensure that orders meet our customers’ quality standards and provide certification and reporting upon request
CMM Inspection Report
Availability: CNC machining
Dimensional Inspection Report
Availability: CNC machining, 3D printing, sheet metal fabrication
Material Test Report
Availability: CNC machining, sheet metal fabrication
First Article Inspection (FAI)
Availability: CNC machining
most advanced testing equipment
Experience our unmatched precision and superior quality control, using cutting-edge inspection equipment to ensure that every part meets stringent industry standards and exceeds customer expectations.
Put your parts into production today
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