Ningbo Excellent Seal Services Co., Ltd. is a professional manufacturer and exporter of mechanical seals. Our advantage is in Tungsten carbide rings and silicon carbide rings, as well as Grundfos pump seals and Flygt pump seals.We would like to sincerely cooperate with domestic and foreign users and do our utmost to supply quality products and service to meet users' demand and meanwhile establish a long-term friendly cooperative relationship.
