Tomoyasu Seisakusho Co., Ltd. (Head Office: Yao City, Osaka Prefecture; President and CEO: Akinori Tomoyasu, hereinafter "the Company"), which sells interior, exterior, and DIY materials, has launched 7 types of original trowels jointly developed with Iori Seisakusho Co., Ltd. (Head Office: Miki City, Hyogo Prefecture; Representative Director: Mitsuhiro Iori), a long-established trowel manufacturer in Miki City, Hyogo Prefecture. The series was developed over 2 years based on the patented and utility model technologies held by Iori Seisakusho, with numerous features designed to allow even DIY beginners to achieve beautiful finishes. Notably, the special order model "resistant to trowel burn" is available at an affordable price, about one-third that of overseas products. The lineup consists of 7 types designed to support the unsteady hands of general users trying wall painting for the first time. Delivering Professional Quality to DIY Users The Company offers a wide range of DIY interior materials for general consumers, enabling anyone to easily update their homes. Among these, for DIY wall painting, which is often considered a high hurdle, we aimed to create "easy-to-handle plastering trowels for beginners that prevent mistakes" and jointly developed them with Iori Seisakusho, a long-established trowel manufacturer in Banshu Miki (Hyogo Prefecture) supported by professional craftsmen. Iori Seisakusho Factory Iori Seisakusho's trowels incorporate patented and utility model technologies and innovations designed to naturally prevent streaks (application marks) during application, such as their unique rounding and bending processes, the exquisite "flex" of the blade for uniform material spreading, and their proprietary "Tough Bond Adhesive" that prevents handles from detaching even when cleaned with organic solvents. In this 2-year joint development project, based on Iori Seisakusho's high technical capabilities, craftsmen from our company and collaborating paint manufa