Ningbo Yierka Seals Co . , Ltd is an enterprise specialized in producing and researching hydraulic seals . It has the history of manufacturing TPU hydraulic seals more than 20 years . Since 1991 , The company took technical corporation with Sciences Academy of China , Hefei Branch and has succeeded in turning our series of hydraulic seals to be used in mine , Hydraulic system , Plastic jetting machinery , Engineering machinery and so on .

The company has abundant technology , Senior research fellows advanced physical and chemical labs . It can produce according to the polyurethane , Polytetrafluoro and rubber samples provided by customers both standard and anomaly . Our every property target of products are correspond to the quota of international , Can holly replace the imported ones . Our products have been exported to countries and regions all over the world , Like Europe and Southeast Asia . We can design and research all kind of seals and sundries out of standard according to ...[More]ustomers" Requirement .

The company specialized in producing seals of double- Function , Drill- Using , Spool- Using , Buffer ring , Dustproof , Wear- Resistant ring . With a complete range of specifications , Advanced equipment , Perfect testing means , It has passed ISO9001: 2000 quality system attestation . To be Credible is our purpose and " Excellent quality and fine service" Is why you choose us .