Three days. According to Yantai Foxconn official website, Foxconn training lasts for three days. Foxconn Technology Group's park in Yantai is located in Yantai Development Zone, with nearly 40,000 employees. Its total industrial output value ranks third among Foxconn's eight industrial parks in Chinese mainland, second only to Shenzhen-Shanghai Park, and it will become the largest industrial base of 3C products in Shandong Peninsula.