the emission requirements depend on the scale of your catering industry, whether it is large, medium-sized or small

small, medium-sized and large

the reference number of stoves is ≥ 1, < 3 ≥ 3, < 6 ≥ 6

corresponding to the total power of stoves is 1.67, < 5.11 ≥ 5.11, < 11 ≥ 11

corresponding to the range of exhaust hoods <