女人和拘做爰正片视频,国产精品久久久久久人妻精品,456亚洲影院,玩弄人妻少妇500系列网址

Hongtai Hotline(WeChat)?Hongtai Hotline(WeChat):13839468258

 RFY(Q) fuel and gas low nitrogen hot blast stove
    The hot blast furnace adopts the spiral heat exchanger technology. The cold air is output to the equipment after being heated by multiple layers. The internal insulation is free of contamination. The hot air temperature is 200 degrees below the ordinary carbon steel liner, and the temperature below 300 degrees is the stainless steel liner. The use of temperature control The box regulates the temperature of the hot air outlet. The WRFQ series hot blast stoves are safe and reliable, with high hot air efficiency, stable performance and long service life.
 




Copyright ? 2022 Hongtai Boiler?????ICP Register:豫ICP備19020484號 XML地圖

Hongtai Low nitrogen and oxygen boiler