Qingdao Yi Xin Yan International Trade Co.,Ltd and Qingdao Qingheng Bearing Co.,Ltd which located in Qingdao City, ShanDong Province.Our co***ny set research and development,design,production as one of the high tech enterprise, strong technical force. The co***ny has complete and advanced bearing special testing equipment,CNC grinding machine,high precision bearing for the products with high precision amd lay a solid foundation.
Now fatcory main products can instead of the high precision ,heavy loadi...
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