·We- Qingdao Sikem Import and Export limited company is a professional enterprise, producing and selling silicon powder (silicon powder, also known as silica, silica fume)

·The English name is MICROSILICA or SILICA FUME

·We come from School of Economics and Management, Tsinghua University

·Our predecessor is Shanghai Siken Silicon Powder Material Co., Ltd., which was founded in 2003

·we provide technical support at the same time, and we are very glad to offer you help if you meet any microsilica problem in the field of refractory material;

·We also provide you with silicon powder used in concrete;

·Sikem microsilica is widely used in refractory materials, wear-resistant flooring, fiber cement, ceramics, oil well, dam, bridge, tunnel and other marine projects