Factory No. 4 Food Music, Honggang District, Daqing City Tel: 4192151 Address: Central Village, Honggang District, Daqing City, Heilongjiang Province I know Factory No. 4. If you call them, you can ask them. They are all the same manufacturer. You should be able to find the phone numbers of other places as long as you

You can pay for the toll fare (taxi fare) plus their staff when they are not nervous.