SUNFUN Group specializes in intelligent and sustainable industrial development. Driving quality advancement in manufacturing across China and the globe through technological innovation, we are committed to creating green value for a better human life.
We have deep expertise in smart energy and smart manufacturing, consistently achieving breakthroughs in precision production. Our capabilities range from 0.001-mm precision machining to the manufacture of components weighing from 0.1 grams to 150 tons. We maintain energy consumption within 0.1% and implement fully intelligent process management—all supported by four decades of specialized experience!
Innovation is the foundation of the growth of our group. We have built an open and collaborative innovation ecosystem, partnering with governments, enterprises, universities, and institutions to enable cooperative innovation and shared value, injecting sustained momentum into the industry.<br/>
As an accredited technology enterprise with its own institute and talent academy, SUNFUN has completed more than ten national-level R&D tasks and undertaken major projects commissioned by agencies such as the NDRC, MOST, and MIIT.
Product characteristics of silicon carbide high-temperature furnace tubes:
● High oxidation resistance - Can withstand temperatures up to 1800°C in an atmosphere
● High purity and density: Silicon carbide content over 99%, good density, capable of withstanding high pressure and vacuum environments without contaminating materials, meeting the requirements of high cleanliness processes
● Excellent resistance to a wide range of chemicals
● High mechanical strength, resistant to corrosion and wear
● Excellent heat cycle resistance
Typical applications
● Tube furnace process furnace tube
● Semiconductor annealing furnace tubes











