Dear Sir. MASS IMPORTATION OF CAUSTIC SODA PEARL., CALCIUM CARBIDE., POTASSIUM NITRATE., ALUMINUM SULFATE. Through the internet we came to know your house as leading supply of above mentioned products, which falls into the scope of our dealings. For your information, we are highly interest to established with you on same products, so therefore to view more of your products kindly provide your catalogs for the selections of items. Looking forward to early reply. Thanks with regards, Esan. Show More