Sanvas produces and distributes super smooth CaCO3 powder, filler masterbatch. We have 2 factories in Yen Binh town, Yen Binh province.

Sanvas has advanced management system, quality management system ISO 9001:2015 and professional sales system.


The resource is from quarry in Mong Son – Yen Binh district – Yen Bai province. This raw material is evaluated as the world’s highest quality, with CaCO3 ratio more than 98.5%, the whiteness ≥ 98%, reflection ≥ 95.5%. Our productivity is 300.000 tons per year, ensuring customer’s order and product quality.


Filler Masterbatch Production Line.


Mong Son Quarry

Filler Masterbatch is made from Calcium Carbonate and other high quality special additives based in LLDPE carrier.

It is not only to cut down production costs by replacing a part of virgin polymer during extrusion, injection and blow molding progressing but also to increase output, improves production conditions as well as a number of physical and chemical properties of finished products.


Our factory for filler masterbatch is also located in Yen Bai, Vietnam with the productivity of 60.000 tons per year.