SUZHOU, CHINA, Nov 14, 2019 - (ACN Newswire) - ECOVACS ROBOTICS, a market leader in innovative home service robotics, saw global sales on Double 11 (November 11) climb more than 12 percent year-on-year from 2018. Double 11, also called Singles Day, is China's version of the US shopping frenzy day Black Friday. The company's total Double 11 sales...