This year's 618 shopping festival is the first major mid-year promotion since Pinduoduo (PDD.US) rolled out its "RMB100 billion support" program, Chinese media reported.To further boost home appliance consumption, Pinduoduo said that it had launched large-value consumer vouchers on top of national subsidies. Consumers may receive voucher packages worth up to RMB3,750, with a maximum reduction of RMB1,000 for each order.Related NewsRetail Sales YoY for May in China is 6.4%, higher than the previous value of 5.1%. The forecast was 5%.Driven by Pinduoduo's "RMB100 billion support" program, the number of new-quality merchants and brands signing up for major promotions has surged by 173% YoY so far.(Real-time Streaming US Stocks Quote; Except All OTC quotes are at least 15 minutes delayed.)