You'd be surprised at how good an eleven year old chinese factory worker can solder.
I agree. Component quality along with build dynamics are highly important to the end product. The grow light company I mentioned has been manufacturing grow lights for more than 40 years. Most of the grow light companies nowadays use LM301 based diodes on their mid to higher end lines.
In my own anectdotal experience they are one of the most undervalued grow light companies out there. I've been using them for years without issue. I still have one of their old double chip blurples and none of the diodes are burned out and the cooling fans are working fine. I think I've had that light since 2010.
My guess as to why they aren't more well regarded in the community is that they don't do sponsorships or big hype campaigns as their core customer are commercial ops. Retail is a secondary market for them but they use the technology they have in their commercial lighting and transfer much of it to their retail lighting.
I've bought or grown under most of the name brands mentioned and have not noticed any real difference in performance overall. Most all the lighting companies offer more or less the same light spectrum. The only real difference is in how the grower utilizes the light the fixture produces. It's why I don't buy by brand.
I will say that I won a light from
ViparSpectra in a raffle that I really like for the light spread and the power it puts out for such a small package. It uses the silicone coated boards for better water/vapor protection of the diodes. The light spread that they designed is also excellent. I wish everything but their high end stuff had the same design and component quality. That would be the only reason for me switching from
Bestva to them. Better light spread. Other than that I can say that
Bestva has performed the best for the price for me.