Tongyi Tech offer the ceramic or metal honeycomb substrate without washcoat; 

and also offer the coated substrate with Cerium-Zirconium composite and Alumina, even precious metal. 

They are mainly used in vehicle three way catalyst, whatever the engine is for LPG, CNG, LNG, Diesel DPF or Gasoline TWC, even for vessel emission control. It efficiently reduce the emission of CO, HC and NO. Through years of research investment and advanced processing,this series of catalytic materials are much stable and acclaimed by many customers. We can customize the related technical data, like the element content, particle size for different engine or emission law.

Characteristics:

Chemical & Physical Properties :

Products show:

A:1,We can help you arrange one sample based on your drawing, then you can inspect the quality;

   2,Send us your samples, and we make the sample for your confirmation.

Q: How to guarantee clients interests?
A: We have 360 degree guarantee policy:
   After you approved the sample, before you place an order and pay for the deposit, you are welcomed to pay a visit to our    
   factories, we are confident that you will be greatly impressed by what we have and what we can do.
   We cherish every clients, every clients can enjoy our VIP service at any time.

Q: About the packaging, shipping and delivery?
A: Packing: We usually adopt the cartons or wooden cases which is based on the products' shapes and weight, of course, you can
                 designate the packaging material.        
    Shipping: If you have the stable cooperated logistic or express compny and have the courier account, we could use yours. If you  
                  don't have, we could help you check with different courier shipping agent to help you get the best price.
    Delivery:  Sea, air and land transports can be chosen according to the cargos' volume, weight and the date of customer-specified.