1. After the air inlet angle of the welding process pull system manufacturers have improved <br>2.4259 changes have been made some models <br>3.3319 models developed has confirmed that there is a structural problem
1. The air intake welding angle of the post-treatment system has been pulled to improve the manufacturer<br>2.4259 Some models have been changed<br>3.3319 model development has confirmed structural problems
1. The welding angle of the air inlet of the aftertreatment system has been improved by the manufacturer<br>2.4259 some models have been changed<br>3.3319 model R & D has confirmed that there are structural problems<br>