
Lanzhou Auxiliary Agent Plant Co., Ltd. (LAAP) was established in 1966 as China's first specialized organic peroxide manufacturer, founded under the direction of the National Science and Technology Committee and funded by the former Ministry of Chemical Industry.
The company has developed a diverse range of organic peroxides, including hydrogen, ketone, alkyl, acyl, and ester peroxides, that cater to industries such as petrochemicals, plastics, and unsaturated resins. These chemical compounds are necessary for polymerization processes like those for LDPE, EVA, PVC, and EPS, with more than 60 peroxide types and over 100 grades available.