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Established in 1991, Dandong Boyang Precision Machinery Co., Ltd. (Hereinafter referred to Boyang) is a manufacturer and trader specialized in the research, development and production of high-precision and high-quality copper sleeve and bushing bearing in sewing machine. Boyang has established long-term business relationships with well-known sewing machine companies in China and Japan. 

After more than 10 years of unremitting efforts, Boyang carried out the replacement and upgrade of the overall equipment in 2007. With the support of the local government, all staff moved to the newly built industrial park and established the company named as Dandong Boyang Precision Machinery Co., Ltd.. Since then, Boyang has begun to explore a diversified manufacturing field. 

The company has established four basic principles for customer orders which is strict guarantee of material components, stability of dimensional tolerances, aesthetics of overall appearance and timeliness of due date. We have established the idea of accurately satisfying the requests of our clients as the core values of our company. With the craftsmanship spirit of keeping improving and the attitude with intimate and thoughtful service, Boyang will satisfy the requests of domestic and foreign clients.