Yes LG products are assembled in LG factories, and so are Samsung products assembled in Samsung factories. What the poster you replied to tried to explain is, that all those brands use major components produced by only a handful of companies worldwide. This is an example for LCD panels. Top LCD Panel Producers BOE (Beijing Oriental Electronics): The world's largest overall LCD panel maker by volume, supplying screens for brands like Apple, Samsung, Lenovo, and major TV makers. LG Display: A major market leader providing IPS LCD and OLED panels to brands like LG Electronics, Apple, Sony, and Panasonic. [1]