(1) Dies: Nichia independently manufactures dice, domestic tubes generally use the dies of US or Taiwanese companies;
(2) Packaging: Nichia independently packaged, domestic production plants, domestic tube packaging manufacturers more;
(3) Consistency: There is a small difference between Nichia and other approved core wavelengths, and the consistency is good. The consistency of domestic pipe is relatively poor;
(4) Service life: the service life of Nichia Tube is relatively long, the domestic pipe attenuation is more serious;
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