OSM refractories Limited locates in Zhejiang China, is the earliest lightweight refractory and heat insulation material manufacturer in China since its establishement in 1984. 

As a high-tech enterprise, OSM refractories dedicates to developing, manufacturing, marketing and application of the lightweight refractory material under support of innovation in heat management solutions. Our core product is Ceramic fiber bulk, Blanket, Board, moduels and types of custom made Vacuum formed shapes to relaize your various of applications.

Our goal is to meet and exceed our customers' requirement for quality performance, cost effective and custom made for demanding needs of specific requirement. Timely delivery, excellent service and comprehensive technical support makes us a valuable business partner.