... oil 15 kg * 30,000 = 450,000 kg = 450 tonsBesides: a variety of large-scale machinery, agricultural vehicles, water pumps, tractors ... -specific formula. Mature technology and equipment made lager benefit for a large number of customers and users, established the ties of ... raw material:Sources of raw materials (all types of auto repair shop, a variety of large-scale machinery, ships, farm vehicles, farm ...