China on Friday accused Taiwan of putting up trade barriers over imports such as Chinese farm and mineral products and indicated its readiness to take countermeasures about a month before the self-ruled democratic island holds a presidential election. The release of a probe by the Chinese Commerce Ministry, first announced in April, is believed to reflect Beijing’s intention to put pressure on the independence-leaning Taiwan ruling party ahead of the Jan. 13 leadership poll. The ministry said its survey has shown Taiwan prohibited a total of 2,509 import products from the mainland as of late N…