Expert of appraise sth through discussion thinks this product construction is reasonable, novel, explosion proof designs model science is reasonable, test data makes clear, quality of this electric machinery achieves international large communication the high grade level of 3 synchronous electromotor.

It is reported, want oil price only not fall after a rise arrives 50 dollars / bucket, coal makes oily project have very good economy. The first coal of our country makes oily project start after construction, follow-up project will following sb's heels and come, the expert forecasts: The market demand near future of electric machinery of this type explosion proof will be in 100 above.