PVC - interior in bullet trains
Lonseal Corporation
Tosoh and group companies supply chloride resins for a wide variety of applications.  In communications, PVC (polyvinyl chloride) for the interior of bullet trains in Japan. 

Polyurethane products - seat cushions to dashboards
Nippon Polyurethane Industry, Co. Ltd. (NPU) 
As a leading supplier of isocyanates to the polyurethane industry in Japan and Asia, NPU maintains the largest production capacities within the Asia Pacific region for several key polyurethane products.  In transportation, polyurethanes are applied in a wide variety of applications for the automotive sector.  They include for example, such as heat-sound-insulated roofing, seat cushioning, noise/vibration dampening flooring, sealants, instrument panels, door trims, dashboards, headrests, mud guards and shock absorbers.  

Petcoal® - traffic light paints
C9 Hydrocarbon resins
Petcoal is a family of aromatic hydrocarbon resins, which exhibit excellent solvency. These resins are compatible with a wide range of synthetic resins and are used in applications such as paints, printing, inks (offset, gravure), adhesives, pressure sensitive adhesive tape and rubber agents.

Cement - roads to bridges
Tosoh began cement production in 1953 at its Nanyo Manufacturing Complex. The idea of producing cement at a soda production plant using an ammonia soda process seemed both logical and economical. Products such as Ordinary Portland cement, Portland fly-ash cement, Portland blast-furnace slag cement for building the transportation infrastures.