Quality is extremely important to us. It’s something we do every day and have done every day since we started.Youlin is committed to providing products and services of a quality that exceeds the continuing needs and expectations of our customers. We don’t compromise quality for expediency, and that means we guarantee that you can count on your part being made to exact specification, on time and within budget.
All of our measuring toolings are corrected in the fixed time in order to keep the accuracy.Meanwhile, all of our QC are with years of experience, then they could use these measuring tools very correctly. All the parts you could receive are from uncompromisable quality control.
Quality Inspection and Testing
We use many standard operating protocols (SOP) throughout the business process to ensure quality. Already at the beginning of your new project our engineers and quality experts are involved to check the critical points or to suggest improvements.
1) Already at the beginning of your new project our engineers and quality experts are involved to check the critical points or to suggest improvements.
2) Design for Manufacturing review for all quotes provided
3) Contract review upon receipt of PO
4) Incoming materials inspection
5) First article and in-process inspection
6) Final inspection and testing with reports and certifications as required
Our Common Quality Tests Include
1) Material chemical composition, tensile/compression strength, surface hardness, galvanizing,powder coating thickness .
2) Salt spray test for corrosion, ultrasound test for welding quality .
3) Dimensional test .
4) We also regularly use authorized 3rd-party labs for testing .
5) Our random QC is organized according to AQL (Acceptance Quality Level) .
Our Quality Goal
1) 90% one-time pass rate for new products or parts
2) For mature products, yield rate should be greater than 98%
3) Zero defect products should leave the factory.
4) Timely delivery of products should be 95%
5) Stick to continues improving for satisfaction of customer should be 95%
Our Inspection Equipments
CMM
Profile Projector
Microscopy
Hardness Tester
Gage Block
PIN Gauge
Threaded Gauge
Caliper & Micrometer