The 1960s. According to the official website of Shanghai Weigong Sewing Machine Factory, Shanghai Weigong Sewing Machine Factory was built in the 1960s and is an old brand factory. Shanghai Weigong Sewing Machine Factory was formerly known as Shanghai Huigong Sewing Machine Factory, which was founded in 1946. Well-known companies in the industry. The Standard brand industrial sewing machine is a Chinese famous brand, a well-known trademark in China, a national inspection-free product, and a key export support brand determined by the Ministry of Commerce. It is a leading enterprise in China's sewing equipment industry.