And a photo of another Chinese yam chips/crisps/slices with other snacks in a Chinese supermarket nearby:
-- you may see the "Crispy yam slices"; I like that one "WANTED DEAD OR ALIVE MOUSE-THIEF
¥ 200, 000, 000.
猫抓老鼠
MAO ZHUA LAO SHU"
. There is another colorful one, too.
Prices: ¥ 19.80, ¥ 16.80, ¥ 16.50... Expensive (for me).