NingBo Excellent seal services Co., Ltd. is located in the high technology development zone, Ningbo city of china. a professional manufacturer and exporter of Mechanical Seals, We provide replacement seals for Grundfos pump seals, Flygt pump seals Burgmann, John Crane, AESSEAL, Roten, Flowserve, Chesterton, LATTY,... Meanwhile, We can also supply spare parts with material silicon carbide, Tungsten carbide, Ceramic and carbon. Welcome to our website, We have high-quality products, Competitive prices and excellent service.We are looking forward to establishing long-term business relationship with you……