Quality standard equipment, testing standards, testing methods GB1236-2000 fan aerodynamic performance test methods; GB / T3235-99 fan base types, sizes, parameters and characteristics; JB / T10562-2006 general purposes Technology Conditions; JB / T8690-98 industrial fan noise restrictions; JB / T10213-2000 fan welding quality inspection; JB / T10241-2000 fan welding technical conditions; JB / T4296-1999 mine Axial Fan; JB / T9101 -1999 fan rotor balancing; JB / T6445-92 fan impeller speed test; JB / T334-87 fan vibration precision; JB / T339-84 ventilation U product appearance quality; JB / T6886-93 fan painting technical conditions and cleanliness; JB / T13306-91 signs such as steel transport corrosive gas chemical industry can be customized stainless steel fan. The fan has a high efficiency (up to 80% maximum efficiency), smooth operation, low noise characteristics. MG Gas Pressure Machine BMJ Gas Pressure Machine | Dust Blower (certified) | Gas Pressure Machine provided by Zibo Blower Factory Co., Ltd. Zibo Blower Factory Co., Ltd. (www.zibo-fengji.com) is a professional "fans, fans of mine, mine fans, explosion-proof fans, high temperature fans, boiler fans," the company. Since its inception, we adhere to the "good faith, sound management" approach, the courage of healthy competition in the market, so that the "cloud laugh" brand has a good reputation. We adhere to the "service first, customers first" principle, so that the congregation Zibo Blower won the trust of customers in the fan, ventilation equipment, and establish a good corporate image. Special Note: This information is for reference pictures and information, please contact us to obtain the most accurate information, thank you!