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. In 2010, all processing equipments have been upgraded to CNC (computer Numerical Control)units instead of the original manual lathes, milling machines and etc, which greatly improved production efficiency and quality accuracy. At the same time, the upgrade of equipments have increased the possibilities for our processing field. In addition to high-precision copper sleeves and bushing bears in sewing machines,Boyang has also undertaken more customized machine parts relying on the equipment transformation, such as adapter flange, plumbing copper fittings, small motor accessories, electric appliance parts, small flange bushings, etc