Dear Purchasing Manager;

We are ShanDong Sinchem Silica Gel Co., LTD established in 1993.We manufacture more than 30, 000tons of silica gel series per year, and sodium silicate....

Dear Purchasing Manager;

We are ShanDong Sinchem Silica Gel Co., LTD established in 1993.We manufacture more than 30, 000tons of silica gel series per year, and sodium silicate....