... 2002, we found that the average life expectancy of only 57.4 years old blacksmith, has attracted extensive attention to vibration, and ... with the bad. Third, surface cracks and other causes. 4, die overheating 4, the spray gun clogging our products through layers of ... , price of 6600 yuan, pot capacity of 50Kg, priced at 4,400 yuan. South Korean imports of dual-use spray water ...