Ningbo Topbon Mechanical Seal Factory

Our factory is specialized in manufacture and export of mechanical seals.

Because of more than twenty years' experience, we become the leading manufacturer of mechanical seals in China for pumps, mixers, agitators, compressors and etc. in domestic and overseas customers from the USA, Europe, South Africa and South Asia and etc. Our seals are similar to John Crane's, NSO's, Burgmann's and Pacific's seals and can be interchangeable. If you are used to use the above seals, then our seals must be meeting your requirements. We are also can design and manufacture according to customers' drawings or samples. Please contact us for details.

Since establishment, we adhere to the principle of "offer our customers the highest standards of product quality and service at competitive prices"
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1. How to guarantee the highest standards of product quality?
Using modern CNC-production facilities and the strictest of quality control procedures as well as extensive product testing, ensures the highest performance standards of every mechanical seal. These standards guarantee the highest degree of reliability and provide an exceptional maintenance record for our customers.

2. Why we can serve at competitive prices?
Whether you require a simple or a conversion from gland packing to the latest generation of mechanical seals, we believe we are in a position to offer a competitively priced product range unique in the industry to suit your needs. What's more, we are in Ningbo, China - The factory of the world! Of course we have the price preponderance.

3. How we pack?
We pay special attention on packing as mechanical seal components are very delicate & fragile. We pack goods in many layers before putting in box to avoid any breakage during logistic. Every component is marked with full details to avoid any problem to the receiver, store & inspection agencies at client's site.

4. How we deliver to you?
We assure the fast delivery. With the help of past experience, management background and customer suggestions, we adopt special inventory program to component level to ensure best possible delivery. We also manufacture non-standard mechanical seals at short notice.

5. What about the after-Sales Service?
Our engineers are trained properly to tackle all service problems effectively and promptly. We are committed to attending all service problems of our customers at a short notice and providing necessary spares immediately. Our engineers also provide training to maintenance staff of customer to handle emergency.