purpose<br>① General boiler pipes are mainly used to manufacture water wall pipes, boiling water pipes, superheated steam pipes, superheated steam pipes for locomotive boilers, large and small smoke pipes and arch brick pipes, etc.<br>② High pressure boiler pipe is mainly used to manufacture superheater pipe, reheater pipe, air pipe, main steam pipe, etc. of high pressure and ultra-high pressure boiler. The supply and demand trend of high-pressure boiler tube industry is generally stable, but the supply and demand situation of various sub industries will be further differentiated. Industry insiders pointed out that the most critical link is the use and promotion of new energy-saving and heat preservation 20g high-pressure boiler tube equipment.
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