Quy Hop Stone Company Limited (QHSTONE) is one of the leading uncoated and stearic acid coated calcium carbonate powder manufacturer and exporter in Vietnam, located in industrial area, Chau Quang ward, Quy Hop district, Nghe An province – center of the biggest and highest quality white limestones quarries area in Viet Nam
QHSTONE have been equiped the most advanced machinery line, including automatic raw material washing system with multiple high pressure nozzles, ensuring the highest purity input materials, modern ultra-fine grinding line of Germany technology with automatic electric control system, automatic bagging machine with high productivity. Total annual output reaches over 80,000 tons
QHSTONE calcium carbonate powders are strictly controlled under the quality management system of international standard ISO 9001: 2015
Our slogan through out all our activities:
for long term business cooperation with our valued clients
Founded in 2006, Quy Hop Stone Company Limited (QHSTONE) is the leading manufacturer and exporter of uncoated and stearic acid coated calcium carbonate (CaCO3) powder in Vietnam. QHSTONE is located in the industrial area, Chau Quang ward, Quy Hop district, Nghe An province – the center of the biggest and highest quality white limestone quarries in Viet Nam and over the world.
QHSTONE’s facilities are equipped with the most innovative technology to provide the highest quality coated and uncoated CaCO3 powder for domestic and international use. Our advanced production system includes high productive modern ultra-fine grinding lines of German technology, stearic acid coated lines, automatic packing machines, etc. With an annual capacity of more than 100,000 tons and storage facilities of 3,000 sq meters, we guarantee customers a steady and timely supply of the finest CaCO3 powder at world-class standard.
QHSTONE has successfully applied the quality management system of international standard ISO 9001:2015, which is the foundation for the lasting development of QHSTONE. All products are strictly controlled by the Quality Control Department with modern laboratory equipment such as the British Malvern Mastersizer 3000E laser diffraction particle size analyzer, the Konica Minolta CR-410 whiteness measurement chroma meter, the Ohaus MB45 moisture analyzer, etc. to ensure the highest quality and uniform standard of CaCO3 powder production.
QHSTONE calcium carbonate powder derived from Vietnam white marble has the characteristics of low impurities (CaCO3 content minimum 98.8%), exceptional whiteness (minimum 98%), top-notch brightness (minimum 96%), outstanding dispersion, high gloss, and good rigidity. QHSTONE calcium carbonate powder is the excellent choice for mass production of plastics (masterbatch, PVC pipes, cables and wires, etc.), paints, papers, rubbers, glues, artificial marbles, cosmetics, chemicals, cattle feeds, poultry feeds, and additive materials for many industries.
QHSTONE continuously provides our employees with updated training and enforces business practice in compliance with legal, ethical, and environmental standards. Our products have been widely used by domestic customers and exported to other countries in the world including India, Bangladesh, Pakistan, Hong Kong, Taiwan, Korea, Australia, Saudi Arabia, etc.
Our motto is 3B: “Best Quality – Best Service – Best Price”
Should you need further information, please contact our sales department for advanced support. We are looking forward to establishing a long-term business relationship with you!
Quy Hop Stone Company Limited (QHSTONE) is one of the leading uncoated and stearic acid coated calcium carbonate powder manufacturer and exporter in Vietnam, located in industrial area, Chau Quang ward, Quy Hop district, Nghe An province – center of the biggest and highest quality white limestones quarries area in Viet Nam.
QHSTONE have been equiped the most advanced machinery line, including automatic raw material washing system with multiple high pressure nozzles, ensuring the highest purity input materials, modern ultra-fine grinding line of Germany technology with automatic electric control system, automatic bagging machine with high productivity. Total annual output reaches over 80,000 tons
QHSTONE calcium carbonate powders are used in many industries: paint, paper, plastics, rubber, artificial marble, cosmetics, animal feed… and additive material for many industries.
