We are Shanghai vantell industry development co. Ltd. We mostly engaged in the designing, developing, manufacturing and selling of the metal ventilation terminal devices. Our products, with novelty and beautiful design as well with anti-return function, are used in department, villa, theatre, school and other public places. 90% of our products are exported to Eropean, Middle-east, South America and Affrica. With them the buildings become more concise and esthetical, thus greatly upgrade your buildings.
