Which country's brand is Shengjia sewing machine?

America. According to official website's information, a query about Shengjia sewing machine, Shengjia sewing machine was invented by an American named Richard Merrisser to replace manual sewing. 1867, Shengjia became the first multinational industrial company in the United States, with an annual sales volume of more than 20,000 sewing machines.