Previous studies have discussed the impact of social context on language maintenance and shift of Chinese fangyan in metropolises. but not enough in rural areas. To explore the language maintenance and shift of the Hakka fangyan among Mid-mountain Hakka (MMH). a sub-branch of the Hakka people who live in Hakka-Chaoshan adjoining areas. https://www.partnersspigenes.shop/product-category/car-mount-chargers/