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QualitY cONTROL

Quality is our first priority

Joint has various testing equipment. And the passing test for finished products reach at least 99%

01-Yellowing Resistance Test

02-Flame Retardant Test (Glow wire tester)

03-Flame Retardant Test Needle Flame Tester

04-High & Low Temperature Test

05-Impact Protection Rating - IK08

06-EV Charger Function Test

07-Ingress Protection Rating IP65

08-High&Low Temperature Cycle Test

09-Storage Temperature Test

10-Aging Test

11-Function Final Check

12-Air Tightness Test

13-Drop Test

12 Quality control process

13 Videos

01-Yellowing Resistance Test

0:45

02-Flame Retardant Test (Glow wire tester)

0:48

03-Flame Retardant Test (Needle Flame Tester)

0:57

04-High & Low Temperature Test

1:00

05-Impact Protection Rating - IK08

0:28

06-EV Charger Function Test

0:39

07-Ingress Protection Rating - IP65

0:52

08-High&Low Temperature Cycle Test

0:50

10-Aging Test

0:24

09-Storage Temperature Test

11-Function Final Check

0:22

12-Air Tightness Test

0:26

13-Drop Test

0:42

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