DEMAISI  Natiaonal Oil Seal 370022A
            for Truck Wheel Hub Seal.

1,Temperature range: -40ºF to 225ºF; -40ºC to 107ºC

2,Unitized construction provides greater structural integrity,easier installation and main lip protection
3,Abrasion resistant NBR with spring-loaded main lip for positive sealing with reduced shaft shaft interference
4,Unique rubber I.D.and O.D. includes ribs that prevent shaft shaft leaks and bore contamination
5,37 Series oil bath seals delivers a dependable point contact seal

Our Advantage

1, we are a professional manufacturer of mechanical seals, hydraulic seals
2, we have independent R & D departments and teams, short development cycle, quality assurance
3, we have continued to develop for 15 years in the field of sealing
 
Product advantage
1, we have our own product brand -DEMAISI, high quality consciousness
2, we have developed a wide range of products, covering mechanical seals, hydraulic seals, automotive and motorcycle seals, etc., have mold, Most of them are in stock.
3, strict quality control, we implement full quality management, we have passed the ISO9001:2008, ISO16949:2009 quality management system certification
 
Service advantage
Pre-sales:
1, professional foreign trade team, advanced management methods, equipped with technical consultants to solve customer problems.
2, we can provide customers with design drawings. We can design 2D or 3D drawings. Different drawings can be supplied according to the customer's level to meet different customer requirements (generally speaking, we provide AUTOCAD and UG drawings for professional customers and drawings for ordinary customers in PDF format).
3, flexible payment methods to meet different customer needs

On sale
We have a professional merchandiser, the whole process is responsible for coordination and communication, product design, production, packaging, shipment and other issues 

After sale
1, according to customer needs, continue to introduce new materials, continuous improvement of product quality
2, continuously improve quality control, reduce production costs, give customers a more competitive price
3, continuously reduce production cycle, and shorten the delivery time.
4. Provide technical support to customers free of charge.