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| Customer Service-Wendy |  |
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| Sales Director-Jasper Lee | |
Fast Group-Joint venture with Caterpillar manufacturing CX28 & CX31 Transmission, and Joint venture with Eaton
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car maintenance
1. What hazardous substance does the automobile exhaust has? a. Nitrous oxides (NOx): It can form acid rain and photochemical smog. b. Particulate matter: It can cause respiratory and cardiovascular diseases to people. 2. What is SCR after treatment system? …