Foxconn is the world’s largest contract electronics manufacturer and a major supplier to firms such as Apple and Samsung. Shenzhen, which is close to the Hong Kong border, is home to many Chinese IT companies such as Huawei, Tencent, and Oppo. Foxconn has announced that production at its Longhua and Guanlan plants will be halted until further notice, according to Nikkei. Foxconn’s Shenzhen base is the company’s second-largest in the country.