Tōei has started selling Tarsus brand products under a general agency agreement with Tarsus Corporation. Tarsus began as a manufacturer of research plastic products used in fields such as molecular microbiology, cell culture, genome research, proteomics, and immunology, and is now utilized in various industries, not only in the physical sciences but also in industrial sectors and food analysis. We offer a wide range of products, including bottles for storing various reagents and pipette tips.

At Tarsons, we offer a wide variety of bottles in different sizes, shapes, and resin materials. Sizes range from a minimum of 4ml to a maximum of 50L, and we have various types of bottles including narrow mouth, wide mouth, round, square, with active caps, and brown bottles. They are made of medical-grade polypropylene that complies with USP Class VI. Made from virgin resin, they contain no additives such as plasticizers or release agents. They are used for a wide range of applications including chemical storage, wastewater sample storage, transportation of various concentrates, and liquid sales packaging.