Grandemar is a founder member of Professional Association of Mineral Aggregates Producers. This association was created in 2004 and it is a member of U.E.P.G. "Union Européenne des Producteurs de Granulats" (European Aggregates Association) with the office in Brussels. The purpose of the association is to promote amongst the producers in Romania the experience and studies of the same companies in the European Union. Following the example of U.E.P.G., the association activity is structured on four sections:Products
T.C. Grandemar J-S.C. produces and sells quarry products, according to SR 667/2001, having implemented and certified the quality management system according to SR EN ISO 9001:2015 standard requirements for chipping, crushing sand and crushed stone.
Production and delivery are made from Poieni, Bologa and Morlaca Quarries located on the national road Cluj-Oradea at 65 km-distance from Cluj-Napoca and 90 km from Oradea; as well as from the Quarry in Moigrad located at 10 km distance from Zalau.
| Quarry Product | |
| 0-4 mm Crushing sand | |
| 4-8 mm Chipping sort | |
| 8-16 mm Chipping sort | |
| 16-25 mm Chipping sort | |
| 40-63 mm Crushed stone | |
| 31,5-50 mm Railway crushed stone | |
| Rubble stone | |
| 0-63 mm Optimal mixture | |
| 0-31 mm Primary sort | |
| 0-63 mm Primary sort | |
| 0-40 mm Primary sort |
GRANDEMAR can also ensure the transport to the client in exchange for a certain price.
Furthermore, GRANDEMAR ensures the transport by means of a 40-ton-trailer with a 3-meter-lateral extension.
GRANDEMAR produces and sells square stone and curb stone from Moigrad Quarry with the following sorts:
| Products | |
| Stone blocks | |
| Curb stones 12x12x25 cm | |
| Curb stones 15x15x30 cm |
