Professional manufacturer of metal catalyst substrate for exhaust control of diesel and gas fueled engines.
Core densities differ from 10 cpsi to 800 cpsi;
Core structures can be concentric, spiral,double S type, three-core type etc.; Transverse section can be made into round, square, oval, polygon, or some other special structures.
Core material is ultra-thin FeCralloy, thickness differs from 0.03mm - 0.11mm, outer shell is stainless steel seamless tube or stainless steel welded tube, like SUS441, SUS436, SUS430CuN etc. The substrates is welded by 100% high temperature vacuum brazing.
Customized sizes and shapes of metal substrates are available.
Since 2006, PHA has integrated complete metal substrate design, testing and manufacturing, used in diesel and gas fueled engines.
In 2001 the company passed the ISO9001 quality system certification, ISO14001 environment system certification, certified by China Quality Certification Centre.