L'Onvie is a product and research development company specializing in cosmetics, specifically lipsticks, mascaras, foundations, creams and lotions. L'Onvie handles the entire product process, from concept to manufacturing and packaging. The company has worked with companies like Revlon, L'Oreal, Estee Lauder, P&G and Longliqi. Combined with its partners, it employs more than 100 engineers and scientists.