Lianyungang Bo Tech Silica Powder  Co.,Ltd -  a  long, large and professional silica powder and other powder prodoucers and manufacturers in china,--------sepcialing in producing all kinds of silica powder, electric silica powder ,electronic silica powder, activated silica powder, ultrafine silica powder,fused silica powder. from Bo Tech Silica Powder established ,its always adhere to the principle of market-oriented,customer needs and interest first, Bo Tech Silica Powder provide the latest and updated silica poweder and other non metallic powder technology and process to all the customers