International Certification makes the first brand of preheater industry.

LF Bros product and service covers about 25 countries all over the world, is your best choice in cold winter, also one of the best leading preheater suppliers. LF Bros has achieved the highest industrial-leading standard in independent research and development, intellectual property creation, protection and application. Dozens of patents which involve appearance, core technology and invention have been gained. LF Bros has become the pioneer of preheater patent applicants.
At present, a series of international certificates have been approved, such as IP44(IP Protection Class), CE(the CE Certificate of EU), SGS(Societe Generale de Surveillance), PCT(Russia certificate) and so on. All of these certificates make LF Bros product and service the first brand of preheater industry definitively.


In the future, LF Bros will insist in pursuing technology innovation and high quality, ensuring the profits of all the partners all over the world, and avoid any piracy from professional counterfeiters.