Quality Assurance System

We have built strict quality assurance system to prevent defects in manufactured products and ensure supply the best possible products to customers. All HPSIL staff fulfills PDCA process and pays attention to detail from production department to sales department. Excellence is inherent in every component from design to customer destination.

Advanced Production and Test Equipment

We are proud to say we have the most advanced precipitated silica production in China. Technology innovation and upgrade is in the mind of every HPSIL staff. Two Process Quality Control Labs and one Final Product Quality Control Lab equipped with complete test facility are busy with every batch of HPSIL precipitated silica. 

Raw Material Guarantee

The main raw material is supplied ourselves. Stable and pure raw material guarantee high grade HPSIL precipitated silica. 
In a word, we are your best supplier for high purity and stable quality precipitated silica in China.