NINGBO BENO TOOLS CO.,LTD.
 


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 Model Number:DT801
As professional china .O ring kits manufacturer,we have full production facilities and quality assurence system for producing many different types of o ring kit,with many color of o ring box,they are standard,AS568,JIS-B2401and Metric.we sell them for many years and to many countries, out price is very attractive,also with our high quality,we are recognized as a qualified and trustful manufacturer by our customers all over the world.
Regarding our other rubber products,they are EPDM o ring,silicone o ring.