I feel sorry for your lack of knowledge, not only technical, but also geographic...
Hong Kong, Taiwan, South Korea, Japan never be happy to be called as "south east asian" ...
Apple is buying more iPhone parts from certain countries
phonearena.com/news/Apples-supply-chain-grows-in-China-and-Hong-Kong_id114635
For the first time in Apple's history,
the company has more suppliers in China and Hong Kong than in the U.S. and Japan. The Nikkei Asian Review put together a list of Apple's top 200 suppliers. While the 46 suppliers located in Taiwan heads the list, companies in mainland China and Hong Kong are next, making up 41 of the top 200 companies that Apple sources parts from.
Apple Lines Up Three New Screen Suppliers
forbes.com/sites/ewanspence/2019/07/22/apple-iphone-new-leak-rumor-display-upgrade-ugly-design-iphone-xs-max-iphone-xr-iphone-11/#5d989a62f211
Apple is expected to diversify the number of suppliers for the upcoming iPhone’s display, bringing the likes of LG and
BOE into direct competition with Samsung for its iOS-powered smartphones.
Huawei's big rival to the iPhone 11 reportedly doesn't contain any American parts thanks to the US-China trade war
The discovery was made thanks to an analysis by UBS and Tokyo-based tech lab Fomalhaut Techno Solutions.
www.businessinsider.com
According to a report in the Wall Street Journal, the Chinese tech giant's Mate 30 smartphone contains precisely zero American parts. The discovery was made thanks to an analysis of the Mate 30 by UBS and Tokyo-based tech lab Fomalhaut Techno Solutions, which disassembled the phone.
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Ten years of localizing the maufactures of iPhone made China grew lots of top level suppliers in the supply chain. 70% share in India dosen't mean Chinese brands can only make screws, gaskets, covers, but localize and minimize the cost for most important parts...
This is the trick made by the evil CCP government, at the peak year China sacrificed 80% of local profit went to Apple Inc to gain the tickets as suppliers.
Now 1st oversea Tesla factory gained huge sales in China and helped its stock value overtake Toyota. Elon Musk promised by 2020-2021, 95% parts will be localized by Chinese suppliers...