The key to high-pressure explosion-proof hose is the multi-layer film covering technology. Now only steel wire is used. It was better to use two layers of nylon mesh inside, which is more elastic, but now nylon is expensive.
Liu Hai started the test, mainly to test the state of rubber particles in the temperature change, which is a key issue after the equipment is running.
250 Motorcycles have nothing to do with Liu Hai at this time. It's the factory's business. The factory director has heard a lot of words from far away on the construction site these days.
Liu Hai said with a smile, "The construction department will not speed up, and will increase the diesel engine production line before the end of the year." ...