1. Weihai is close to South Korea, which makes the economic and trade exchanges between Weihai and South Korea more frequent, and also makes Weihai gather a large number of Korean elements.
Weihai, as the bridgehead of trade with Korea, sells a large number of Korean goods, including electrical appliances, ornaments, clothing, food and so on.
3. The Korea-Japan commodity wholesale market and China-Korea industrial park in Weihai have further promoted the popularization of Korean elements in Weihai.
To sum up, Weihai has so many Korean elements, mainly because of its geographical location and its influence on Korean trade and economic and cultural exchanges.