Quality Control-Wosente Trade HongKong Co.,Ltd

Total Quality Control Standard

Brand new
Original factory raw materials;After 44 rounds of installation testing;Aging test experiment;Display and brightness comparison;72 hour high refresh rate test.
Replace the cover plate
Original raw materials, replacement parts, 2 refurbishments,After 44 rounds of installation testing,Aging test experiment,Display and brightness comparison,72 hour high refresh rate test.
OEM
The original configuration was processed by a third-party factory;After 44 rounds of installation testing;Aging test experiment;Display and brightness comparison;72 hour high refresh rate test.
OLED
Change plan for large factory glass and glass of the same size specifications;After 44 rounds of installation testing;Aging test experiment Display and brightness comparison;72 hour high refresh rate test.
INCELL
Change plan for domestic glass+integrated process；After 44 rounds of installation testing；Display and brightness comparison；72 hour high refresh rate test.

Total Quality Control Process

We ensure that every product meets the high standards you expect. Our quality control process involves comprehensive inspections and assessments, so you can feel confident in every purchase.

Step 1: Factory delivery

Step 2: Laboratory appearance screening

Step 3: Comparison of the first brightness and resolution of the goods to record data

Step 4: Installed game and APP detection record data

Step 5: Brightness adjustment detection

Step 6: 26 keyboard and call key detection

Step 7: Perform 72-hour video flash detection

Step 8: Full screen 3-finger touch detection

Step 9: Lock screen open and switch on and off repeatedly

Step 10: Update system version detection

Step 11: Enter the warehouse inventory

Step 12: Perform the second appearance and function detection

Step 13: Assembly frame

Step 14: Perform the last function check

Step 15: Assembly line injection film replacement packaging

Step 16: Packaging compression test

Step 17: Deliver to customers

Aging Test
Verify display
Verify function
Verify backlight bonding
(Test conditions: -20℃/2Hrs, +55℃55%RH/2Hrs,+55℃/4Hrs)
Appearance Test
Examine for dust, scratches, bubbles
Check if the front bezel is deboned or damaged
Check if the screw holes are blocked
Test hydrophobic effect with water, alcohol, N-hexane
Display Test
Measure the brightness (nits)
Measure color temperature and color gamut
Measure the resolution
Test the backlight evenness
Function Test
Test polarization
Measure light transmittance rate
Test the True Tone function
Test 3D touch and responsiveness
Fitment Test
Measure thickness, width, and length
Measure screen borders and notch
Install the screen and check the fit

Aging Test
Test batteries are to be stored for 4 hours at 70℃
Appearance Test
Check battery cell surface
Check silk screen/label printing
Measure the length, width, thickness and weight
Function Test
Over-charging/over-discharging protection test
Over flowing/short-circuit protection test
Quality Test
Capacity/internal resistance measurement
Discharge mid-voltage test
BMS board performance test

Appearance Test
Check for signs of use
Alignment of solder pins
Check for watermarks
Basic Functions Test
Photo clarity
Light sensitivity
Focus test
Zoom test
Portrait Mode Function Test
Testing for the presence of a portrait mode
Testing the ability to focus in portrait mode
Testing the adjustability of portrait mode parameters

Certified Globally

IEC62133 | CE | FCC | RoHS | MSDS | UN38.3 | SDS

	Add:11/F Winner Factory Building 55 Hunt To Road Kwun Tong Hongkong
	Ivy Whatsapp:+86 15915788079
	Kai Whatsapp:+86 13713529289
	Emily Whatsapp:+86 13410010896
	Tony Whatsapp:+86 15013634057

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