UPChem USA is the US branch of UPChem, established in 2019 in Spartanburg, South Carolina, currently focusing on production of PPDI isocyanate and PPDI-based prepolymers.

UPChem is a professional manufacturer of triphosgene, specialty isocyanates, prepolymers, and other chemical intermediates. Since its establishment in 1995, with almost 30 years of safe production and practice, UPChem has grown from a pioneer and standard setter in the commercial production of triphosgene to a safety expert in the field of triphosgene application, providing another option for the sustainable development of the phosgene industry.