Community has its own Division, the interdependent relationship between upstream and downstream. Upstream to downstream services, providing the products and services they need, form a complete industrial chain. In this industry, every company has played an important part. Modern manufacturing, due to the complete industry chain and developed higher than any time in the past, on its upstream and downstream enterprise product and service of choice have also greatly improved, therefore, to downstream enterprises to provide more satisfactory products and services became every business issue that is ever-present. And, downstream of satisfaction is not static, it changes over time and the environment are constantly changing, which set out more stringent requirements of corporate executives. At present, the China sewing machinery industry in both quantity and quality, technical content than ever before have been greatly improved, product category structure more reasonable.