http://www.samyangcorp.com/eng/Chemistry/pet01_01 Our PET containers have earned recognition for their unique features, such as their non-toxicity, transparency, maintainability, and anti-chemicals. They are thus widely acclaimed as replacements of glass and aluminum containers at home and abroad. In particular, they have been proven to cause no environmental hormone problems, making them outstanding food containers. Samyang Corp. boasts the country’s lowest-weight preforms for containing drinking spring water, and is endeavoring to continuously develop technologies to provide packaging solutions suited to our customers’ needs.