Topstar Mechanical Seals INC. is located in the high technology development zone, Ningbo city of China. We are specialized in development and manufacturing of all kinds of mechanical seals using Tungsten Carbide, Silicon Carbide and other high quality materials. These seals are interchangeable with Johncrane, Burgmann, AES, Pacific seals and Flygt Pump seals. We also design and manufacture special parts based on customer's specific requirement. The company implemented ISO 9000 quality management system in 2001. To better serve our customers we opened an Office of Sales and Service in Connecticut, USA in 2010. We are gaining better and better reputation at home and abroad.

Customers are welcome to visit us. We are looking forward to establishing long-term business relationship with you based on our high product quality and reliability, good service and on time delivery.