About Yaodong
Yaodong manufactures high-grade couplings for machinery industries such as vacuum pump, measurement and control, compressors, reducers. Now Yaodong owns 12 national patents, and pursuits high precision in products, developed an advanced quality control system. In this way, well-engineered Yaodong couplings improved the performance and the durability for your entire systems. Except for standard products, we also offer cust
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