In order to meet the market demand, the company is now launching offset printing ink with float type aluminum paste and PAHs standard environmental protection product. The ZOS series products for offset printing ink use aluminum slurry, the series of products with a strong hiding power, at the same time as a result of offset printing ink solvent with specialized production, prevent during storage process in the course of offset printing ink viscosity change, and has good liquidity and transfer performance. ZPL USES the solvent of the PAHs standard production, polycyclic aromatic hydrocarbons, limited control over 10 PPM.