1, Jack Sewing Machine Co., Ltd. ranks among the top in the world in the number of invention patent applications in sewing machine industry for five consecutive years. It was rated as a single champion demonstration enterprise of the Ministry of Industry and Information Technology and a national technological innovation demonstration enterprise. Yonggong sewing machine did not declare the number of invention patents.
The quality and performance of Jack's sewing machine are good. Suitable for users with high quality requirements, perfect after-sales service and favorable comments from customers. Yonggong sewing machine has simple function and performance, and is suitable for price-sensitive users. So Jack has a good sewing machine.