NBR 90SHA rubber K Ring rubber sealing

rubber k ring production process

Material inspection 

Testing for all raw materials before storage, and provide the raw material of relevant reports, report and raw material properties with comparison, two of reported values, can storage.

Mold Inspection

Die Mold development finished or after cleaning, we will check the full size of the mold, ensure quality for each cavity's product.

Product Inspection

During production, Inspectors will check semi-finished products, ensure product process and make the defective rate control in a reasonable range.

Quality Control

Quality Department will check product appearance for each batch.

Product Full Inspection

Optical Sorting Machine ensure products appearance, size 100% qualified.

If you need a quotation for o ring  , pls confirm the info as below:

(1) Material(2)ID*CS(3)Hardness(4)Color(5)Qty

1.Western union,L/C,Paypal

2.30%TT in advance and balance 70% by copy of BL

Sample details:

1.Sampling base on customers’ requirements.

2.Cost depends on the design and if need make new mold.

3.Sample lead time is 7days

4.Mass production lead time is 10-15 days.

1.Q: Are you a factory or trading company? 

A: We have factory in Shijiazhuang, Hebei with export license. We have the most convenient transportation conditions. 

2.Q: Where is your factory located? How can I visit there? 

A: Our factory is located in Shijiazhuang City, Hebei Province, China. All our clients, from home or abroad, are warmly welcome to visit us! 

3.Q: Can you do OEM? 

A: Yes, we can do OEM products. It's no problem. 

4.Q: How can I get some samples? 

A: 1.We are honored to offer you samples by express. Abroad clients are expected to pay for the freigh cost, the samples are free. For clients in China, we pay express fee. 

2.  Regarding the courier cost: 
(1) you could arrange a RPI (remote pickup) service upon Fedex, UPS, DHL, TNT, etc. to have the samples collected;
(2) inform us your  express freight collect account. Then you can pay the freight direct to your local carrier company;
(3) Transfer the cost to us in advance, the sample will be sent after receiving the payment 

5.Q: How does your factory do regarding quality control? 

1). All raw material we used are imported; Cooperation with Dupont, JSR and large raw material recip database, make our material properties are relatively stable, products' quality be control. 

2). Skilled workers care every details in handling producing and packing processes; 

3). Quality Control Department specially responsible for quality checking in each process. 

  I ’d like to receive your enquiry, please not hesitate to contact me!!