Correlative problems on engine exhaust gas of self-dumping truck at open pit are analyzed.

Referring to the concerned national standards, according to the modularizing design method, YS 500, a versatile test bed for mining dump truck is designed and manufactured.

Roll-over analysis of dump truck unloading based on virtual prototype;

Cause analysis of frame abnormal rupture of heavy dump truck;

Development and application of the truck-mounted self-measuring device on dump trucks

Why the receipts of railway freight and incidental expenses can be the vouchers of income tax deducting? Why the mine self-discharge trucks don t need pay vehicle and vessel tax? Combining with above two questions which can meet in tax check,the article gives the answers in detail.