
Company Profile
Founded in 1966, LAAP is China's first professional organic peroxide manufacturer, dedicated to excellence for over 50 years.

Our Story
Founded in 1966, LAAP (Lanzhou Auxiliary Agent Plant Co., Ltd.) is China's first professional organic peroxide manufacturer. Located in Lanzhou, Gansu Province - a key industrial hub in Northwest China.
With over 50 years of experience, we have developed a comprehensive product portfolio covering more than 60 types of organic peroxides and 160+ formulations. Our products are essential for the polymerization of LDPE, PVC, PS, EVA, and the crosslinking of rubber and curing of unsaturated polyesters.
This is us
LAAP at a Glance
Established in 1966
China's first organic peroxide manufacturer
1,600-square-meter engineering laboratory
49 skilled technicians
More than 60 peroxide types and over 100 formulations
Annual capacity of 10000t
REACH Registration Certificate
Exporting to over 30 countries
Global partners: BASF, RÖHM, PPG, Kansai Paint, etc.
Overview of Our Company's History


Lanzhou Auxiliary Agent Plant Co., Ltd. (LAAP) was established in 1966 as China's first specialized organic peroxide manufacturer. Equipped with a 1,600-square-meter engineering laboratory and a professional R&D and production team. We have established ourselves as a reliable supplier of organic peroxides for numerous renowned clients both domestically and internationally.
Milestones
Established as China's first organic peroxide factory
Entered the global market
Welcomed BASF and other international partners
Listed with the stock code 874044



Our state-of-the-art production facility spans 130,000 square meters with an annual capacity of 20,000 tons. We employ advanced DCS (Distributed Control System) and SIS (Safety Instrumented System) to ensure precise process control and the highest safety standards.
Certificates & Achievements









Trusted by Renowned Clients Worldwide
Contact our technical team for product recommendations, safety data sheets, and custom formulations tailored to your process.


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