Our control laboratory is equipped with latest-generation physical and chemical measuring apparatus (refractometer, densimeter, flash point, polarimater, etc.), GC-FID and GC-MS. Our qualified staff are able to validate our purchases at source and also to manage any customer complaints. This equipment ensures constant product quality for our customers and tracking of our supplies. Control samples are kept for two years in optimal conditions (temperature, brightness, etc.). Delivered products can be traced thanks to our computer system. Our safety data sheets are constantly updated in line with regulations in force.