Rengo Co., Ltd. is the first corrugated manufacturer, as well as the No.1 vertically integrated manufacturer from papermaking to converting in Japan. The company manufactures paperboard, corrugated packages, and other various packages as the "General Packaging Industry (GPI)" focusing on six core business fields; Paperboard, Corrugated Packaging, Folding Cartons, Flexible Packaging, Heavy Duty Packaging, and Overseas. It provides comprehensive solutions to fulfill all the packaging requirements of a wide array of industries.
While corrugated packaging has unrivaled recyclability, Rengo also has been developing other cellulose-related products from before the world’s attention was drawn to oceanplastics. In recent years, the company is evolving its technologies and increase production capacity of biodegradable materials.