
Zibo Shijian International Trade Co., Ltd, also known as SJOIN Refractory is a leading professional enterprise for new energy-saving materials researching, manufacturing and selling in the filed of ceramic fiber, soluble fiber, alumina fiber, glass fiber, high temperature seal material, insulating firebricks, calcium silicate etc. We have four factories being specialized in manufacturing ceramic fiber, glass fiber, calcium silicate and insulating bricks. We totally have 12 production lines for ceramic ...