WHO WE ARE
DIER is a professional one-stop mobile phone repair parts supplier which located in Shenzhen Huaqiangbei, we aimed at providing satisfactory repair parts, price and services to customers.
WHAT WE DO
DIER always put the quality as priority, we look forward to providing the best price in the same quality and the best quality in the same price. we have a professional QC and technical team to help control the quality of the parts, and fully understand what our customer needs. DIER seeking for stable and long term business relationship over the world, we can integrate good supply chain and factories in China to help our customers business.
DIER QUALITY CONTROL
Visual Inspections
Qualified Standard:1. No scratches or damages.
2. No missing parts, such as: screws, adhesives.
Functional Tests( LCD Display Test )
Tools Needed:1. LCD and Touch Screen Tester.
2. Build-in test application (for Android phones only).
Qualified Standard:
1. Tester Test Standard: Less than or equal to 2 dead pixels (pixel diameter is less than 0.15mm).
2. Application Test Standard: The software indicate as passed.
Functional Tests( Touch Screen Test )
Tools Needed:1. LCD and Touch Screen Tester.
2. Build-in test application (for Android phones only).
Qualified Standard:
1. Tester Test Standard: Diagonally draw straight lines on the screen, the lines appear without any malposition, breakage or bend.
2. Application Test Standard: The software indicate as passed.
Assembly Tests
Tools Needed:
1. Screwdriver.
2. Tweezers.
3. Other related devices, like: RF Test Equipment, NFC Test Device.
Qualified Standard:
1. Work normally on OEM Test Modules.
2. No cosmetic or functional imcompatiability on OEM Test Modules