Mineral oil hydrocarbons(MOH) is a hydrocarbon mixture formed by physical separation and chemical transformation of petroleum, and its composition is very complex. The classification of Mineral oil hydrocarbons mainly includes linear, branched and cyclic mineral oil saturated hydrocarbons(MOSH) and mineral oil aromatic hydrocarbons(MOAH) containing benzene ring. CTI can provide testing services for mineral oil content or migration of various raw materials such as ink, and various finished materials such as packaging and printed matter, so that products can meet the regulations of export target markets and the requirements of downstream buyers, and help products to be put on the market smoothly.