It’s nearly 4 pm after we arrived the reference factories, no much time left, so we begin to visit the aluminum color coating line right away. The workshop is so hot  but our customer still show a high level interest on the aluminum color coating line process. The posed some questions about the accumulator, pre-treatment and coating machine details, and they also show a high interest in RTO system, at last, they visit another workshop for slitting line. Until the factory worker is off work today, we come back to have a dinner.