Tianjin Castle Chemical is a chemical exporting private company in China. It was established in 2006, located in Tianjin City. We are the sole agency for many reputable manufactures in China. Our main products have Sodium Hexametaphosphate(shmp), Boron Oxide(B2O3), Sodium Nitrate, Sodium Nitrite,Ammonium Bicarbonate and etc.
No only supply high quality products, but aslo offer the professional after-sales service.
Based on trust and commitment, We build long business with customers from Southeast asia, south america, africa, the middle east.