Shanghai Superior Limited is a professional silicon nitride powder and silicon powder supplier.

Through the cooperation with research institutes, our products have already met the same

standard as or even higher level than that of international famous suppliers. We can make

products that can meet customers’ specific requirements.

We are trying to develop new products so as to meet customers’ various demands. We will
 
try to help customers become competitive by offering competitive products and cautious
 
 service.
沪 ICP 备1202837 Copyright Shanghai Superior Limited E-mail: enquiry@si3n4-powder.com    si3n4powder@163.com Fax:021-36508775