High quality, every single time
Threads and tolerances
We adhere to industry standards for threads and tolerances.
Finishing & post-processing
We follow strict technical requirements for finishing and post-processing.
Quality documentation
We provide quality documentation such as First Article Inspection, material Certificate/Test Report on request.
Certification
DS is certified and compliant with ISO 9001:2015.
Inspection process
All parts are closely inspected twice, we have dedicated quality team at a separate QC lab to perform quality control for all incoming parts.
Refunds and reorders
DS Industries follows: ISO 9001 guidelines for quality control. If you receive part that does meet drawing’s specifications, DS Industries will send you qualified parts for free or make full refund for the defective part.
Production Flow Chart
DS Quality Inspection Capabilities
To conduct our extensive range of inspections, we use a wide variety of advanced equipment, here’s the list of Inspection Equipment:
Inspection Equipment List
| Item | Equipment Name | Model | Manufacturer | Unit set |
| 1 | Salt mist test machine | SL-YW60A | Senlin | 1 |
| 2 | Electronic balance | 500KG | Yixue | 1 |
| 3 | Electronic balance | ACS | Longmai | 3 |
| 4 | Electronic balance | ALH-30KG | Huierzhun | 5 |
| 5 | Dial caliper | 0-150mm | Mitutoyo | 16 |
| 6 | Digital caliper | 0-150mm | Mitutoyo | 12 |
| 7 | Digimatic micrometer | 0-1" ±0.00005" | Mitutoyo | 11 |
| 8 | Microcalliper | 0-25mm | Mitutoyo | 13 |
| 9 | Outer diameter micrometer | 0-25mm | Mitutoyo | 12 |
| 10 | Digimatic micrometer | 0-25mm | Mitutoyo | 11 |
| 11 | Scale blade micrometer | 0-25mm | Mitutoyo | 12 |
| 12 | Pin plug gauge | 25.000±0.001mm | Jing Li | 2 |
| 13 | Gage block | 1.0-25mm | Cheng Liang | 1 |
| 14 | Smooth ring gauge | ∮10mm | Cheng Liang | 1 |
| 15 | Ring screw gage | M7*0.5 6g | Jinyi | 1 |
| 16 | Number highly gauge | 0-50.8mm | TERMA | 3 |
| 17 | Wear-resistant tester | TABER1750 | TABER | 1 |
| 18 | X-ray flaw detector | miceomex | Germany | 1 |
| 19 | Gear detector | P40 | Germany | 1 |
| 20 | Gear meshing instrument | OSAKA GTR-4LS | Japan | 1 |
| 21 | Light cleanliness detector | SL210 | Mitutoyo | 1 |
| 22 | Spectrum analyzer | SPECTRO | Germany | 1 |
| 23 | Tensile testing machine | DEW-10A | China | 1 |
| 24 | Color difference meter | Minolta | Japan | 1 |
| 25 | Rockwell hardness tester | HR-430MR | Mitutoyo | 1 |
| 26 | Image measurement instrument | 2010 | JIMIDE | 1 |
| 27 | Image measurement instrument | TEOTAI-200 | LuoTai | 1 |
| 28 | CMM | SEREIN | China | 1 |
*CMM and Image Measurement
Detailed Inspection Reports for Every Part
Visual Inspection
DS provides a Visual Inspection Report to verify cosmetic standards.
Dimensional Inspection
For all parts, we provide a Dimensional Inspection Report to verify dimensional accuracy for critical features.
Advanced Inspection
We offer inspection with coordinate measuring machine (CMM)
First Article Inspections
DS can provide a First Article Inspection Report upon request, which will be provided for 3 parts.
Quality Certification
