Material, in-process and finished-goods inspection, and the equipment behind each stage.
All incoming materials undergo quality testing before production: salt spray tests, temperature tests and electronic tests on the components that go into the lamp.
No fewer than three stages of inspection during production — manufacturing process inspection, first finished article inspection and random product inspection — with quality inspectors checking each process against SOPs, the BOM and the specification sheets.
A photoelectric parameter tester with an integrating sphere measures luminous flux, colour temperature and luminous efficiency, and a light distribution curve tester verifies brightness and beam angle.
Aging, colour temperature, performance and heat dissipation tests, then light body cleaning, labelling and the instruction manual, with 100% inspection before shipment.

450 mm steel-bodied rear lamp for heavy trucks and trailers
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320 mm plastic-bodied four-function rear lamp
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340 mm deep-body combination rear light, 36 diodes
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340 mm combination lamp with bolt-on iron mesh guard
View product →The factory states 100% inspection of each batch before delivery, with level 2 sampling and testing standards applied during production.
ENEC, CE (LVD, EMC), CB, RoHS, LM79 and TM21 certificates and reports, with ISO 9001 and ISO 14001 at factory level.
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