涩涩欧美,国产精品秦先生手机在线,在线观看国产小视频,人人人人看人人人做人人,又黄又色的美女视频,丰满热舞美女视频,超露美女视频

This efficient and new style of indirect-heating metal burner is designed and developed based on our long-termed practical experience. Combining the indirect heating technology of heat transfer in high temperature section and flow exchanged among different sections, it allows burning and heat transferring happen in the same time. It creates no pollution as the smoke and the gas are separated. With over 70% heat efficiency , the burner features rapid heat, low consumption, small volume, easy to install and safe in operation. With the use of high-temperature-resistant material, comparing with the pipe burner, it provides longer life time and more stable performance. The output temperature is up to 250℃. Either coal or firewood is available for the burner as fuel.