China will invest heavily on mining and construction projects locally and in key sites aroud the world and will tap on used heavy construction equipment for sale such as the Komatsu 155A-5 Bulldozer and many others as it announced a huge economic stimulus package Sunday aimed at bolstering its weakening economy and, in the process, perhaps helping to counter the effects of the global economic slowdown. China has unveiled a CNY 4 trillion investment package drilled and excavated from the treasury, loaded to dump trucks and distributed to key investment areas to bulldoze the country's economy up to speed from a dramatic slowdown as the global financial crisis continues to unfold.