SHAOXING HONGYU MECHANICAL SEAL PIECE CO.,LTD. Is founded in 2003, the only enterprise of producing mechanical seals used in all kinds of pumps in shaoxing area, the mainly products abound with Silicon Carbide rings, graphite Carbide rings, rubber seals and the like. With the bran-new strict management and top ended technology, we try our best to provide the high quality products and serves to the customers, and create a common bright future.