www.lenofilter.com Factory Address:No.78, Qiaoting Road,

Email:michael@lenofilter.com Shuige economic development zone,

Email:lenofilter@gmail.com Lishui City,Zhejiang Province,323000,P.R. C

Skype:autopartsxm Tel: +86 578-2612666 Mobile No.+86 13958848445 Fax:+86 578-2612555

Comunicazione telefaxTo: All friends From: LENO FilterCompany: Date:Telephone:Fax: Pages:Mail:

Re: SUPPLIER PROFILE for YOUR INQUIRY of AUTO FILTERS

Leno Filter Co.,Ltd

Dear Friends,

We are providing a short presentation regarding our profile and we hope you will forward to whom it might concern.

We are specialists and manufacture in the auto filters market. Leno Filter can produce oil/fuel/air and cabin filters. more than 3000 various types of automotive filters. We canguarantee 100% tested and our principle is only produce good quality filters. In amarket focused on customers’ needs, we have developed one professional sales teamand tech experts to supply good products and service according to customers requirements with absolute competitive quotations and delivery terms.

In China market, we have our own brand"立诺" and it ranks in top 10 auto filters brand in China market

Comparation between Leno and some other supplier

Automotive Filters' Technic

1. Filter elementThe request of filter element for oil filter will more strict than air filter, since the oil temperature is ranged from 0 to 300 centigrade. Under the drastic temperature change condition, the oil concentration will be changed as well, which will affect the filter flow. We provide high quality oil filter element, which could filter the impurity in drastic temperature change condition to insure the enough flow.

2. Rubber sealWe provide the high quality rubber seal which synthesis by special rubber, make sure it has good quality with oil tight.

3. Safety valveAs the engine flameout, it will prevent the oil filter getting dry; as the engine starting again, it will come into pressure immediately.

4. Relief valveOnly provide in good quality filters. It only work under the certain condition to let the unfiltered oil flow into engine directly. For example the outside temperature fall of certainone or the oil filter beyond the working deadline. Even though it will take some impuritiesinto engine as well, it is smaller damage for the lost of the empty oil. The relief valve is

Good Sealing Ring & Bad Sealing Ring

Good  Screw Plate and Cover Plate &Bad Screw Plate and Cover Plate

Good Anti‐Drain Back Valve&Bad Anti‐Drain Back Valve

Good Upper End Cap&Bad Upper End Cap

Good Center Tube Compare with Bad Center Tube

Good Center Tube: High structural

strength to prevent the element 

from collapsing and to provide a 

better filtration efficiency.

Bad Center Tube: The Center tube 

not welding well and bad 

material. Will harm the inner 

element.

Our Leno Filter Paper have good test standard in below items: