Japanese chip manufacturer Renesas Electronics Corp closed the number of Beijing plants on the grounds of crown disease infectionsky.Not According to Reuters, Ruisa Electronics spokesman revealed on Monday (December 19) that the Beijing plant has been closed for several days since last Friday (16th).Not The spokesman said that the suspension of production in these days will not have much impact on the semiconductor production of industrial machinery and household appliances, and the company will use existing inventory to make up for output losses.Not It is reported that because Ruisa Electronics occupies about one -third of the micro -control unit market, global auto manufacturers are very concerned about whether the suspension of Ruisa Electronics will affect the supply chain.It is reported that the micro -control unit industry is currently facing supply shortages, leading to reducing some automobile production by automakers.Not China recently relaxed the control of epidemic prevention control measures.However, various governments and hospitals have begun to launch new measures, suggesting that asymptomatic infections continue to work.