Qingdao Newthink New Materials Co., Ltd. is based in China and lists Catalyst For Rosin Ester and Bleaching Agent For Rosin Ester on Global Trade Plaza. The company states it was established in 2010. The Catalyst For Rosin Ester is described as a phenol sulfide compound or organophosphorous compound that shortens esterification, improves heat stability, reduces color, and acts as an antioxidant and bleaching agent. It is packaged in 25kg units and has a shelf life of at least 2 years. The Bleaching Agent For Rosin Ester is a phenol sulfide compound that achieves color under 3 Gardner, improves heat and light stability, and functions as a catalyst, antioxidant, and stabilizer. It shares the same packaging and storage conditions. Both products are noted as not dangerous goods for transport and approved for food contact applications. Buyers can send an enquiry through Global Trade Plaza.