Macao entrepreneur Albert Hao Jinlong stands at the front desk of his e-commerce company in Zhuhai, Guangdong province, in mid-November. (WILLIAM XU / CHINA DAILY) This year’s Double 11 shopping festival made Hao Jinlong happy, as online sales of his products nearly tripled last year’s, reaching 2 million yuan ($313,950). Backed by business partners in Australia, the 40-year-old Macao entrepreneur runs an e-commerce company with 25 employees in Zhuhai, Guangdong province, selling antibacterial clothes woven from a special kind of silver fiber — mainly lingerie, leggings and socks. “The silver fiber inhibits the growth and spread of bacteria on the...