... substrate with different design and specifications, which works as a most important part of car emission system. We can product metallic substrate ... other especial shape according to the design of client. Type: spirality, “S”and “SM”.1. Specification of metallic substrate: Size(mm)Cell density ... 35×70100,200Φ240×240200,300,400Φ35×100100,200,400Φ240×305200,300,400Φ42×100100,200,400Φ260×305100,200,300Φ43 ...