Ningbo Zhongli John Seals Co., Ltd. (formerly Fenghua Zhongli Seals Co., Ltd.) was established in 2000, specializing in the design and manufacture of various mechanical seals and sealing materials.

Our products mainly include rubber bellows seals, metal bellows seals, O-ring mechanical seals, flygt pump series, grundfos pump seals and cartridge seals. Some mechanical seal produced by Zhongli have become excellent replacement for mechanical seals, such as Alfa-Laval, John Crane, Grundfos, EagleBurgmann, Vulcan, Roten, Chesterton, Flowserve, etc.

In 2004, we passed the ISO9001 international quality certification. Our products are exported to foreign countries with their excellent quality, good after-sales service and more competitive prices, and are exported to more than 30 countries and regions, including the United States, Russia, Brazil, South Africa, United Kingdom, Netherlands, India and Australia etc…