Following the successful manufacturing of glass with the horizontal sheet process, the company developed a sales plan, and in late October 1920, invited some 20 major glass wholesalers from Tokyo and Osaka to the Futajima Plant. Having only seen glass factories that use the cylindrical blow method, the visitors were astonished when a sheet of flat glass coming out on the flattening table supported the weight of a man standing on it. The company also began placing ads in major newspapers.