老挝采购需求：环保型重型运输车，6x4 H5EV 电动卡车，电动重型卡车，可持续交通解决方案，节能型商用卡车，电动货车

I'm looking for detailed info on various types of electric trucks you offer. Specifically, I'm interested in understanding the key specifications, capacity options, and any unique features that differentiate them from competitors. It would also be great to know about any range of models suitable for different applications. Additionally, if you could provide insights on pricing structures, warranty options, and available upgrades, that would be really helpful. Please include any recent advancements or technologies you've integrated into your electric truck designs. This info will help in making an informed decision for our procurement needs. Thanks!