Production Company

GTG group

South Korea(approximate location)

GTG Group is China's leading testing and certification company that accredited by world famous certification bodies that includes IECEE, UL, A2LA, NVLAP, ITS (Intertek), KTC, TÜV, Eurofins, CNAS, CMA, CQC etc.

From their site

Images from GTG group’s own website.

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