this is Chaochen Thermal Insulation Material.We mainly manufacture rock wool,glass wool,calcium silicate insulation productions and rubber foam productions.All of them can be used in construction and building,they can resist high temperature and fireproof.If you are interested in heat insulation materials,you can visit our website https://lfchaochen.en.alibaba.com
My email is [email protected]
Whatapp is 8615100606188