Founded in the 1990s, Tianjin HeYu Construction Machinery Co., Ltd. is a Chinese leading manufacturer, developer and supplier of Mechanical Face Seals that are also known under other designations, such as duo cone seals, floating seals and heavy duty seals.



We have a professional and experienced technical development group. They are willing to design and manufacture products with both standard and customized specifications. We also provide OEM services.



All our products must be 100% tested to ensure their functionality, reliability, security and durability before...