Haruyuki Sakurai

Tri-Wall Ltd. is a holding company, which engages in the manufacture of packaging materials. The firm offers polypropylene (PP) hollow sheet, paper tubes, pallets, and accessories. It serves the heavy industrial and agricultural sectors. The company was founded in 1974 and is headquartered in Hong Kong.

Tri-Wall Europe GmbH is a German company that specializes in consulting, sales, processing, and production of packaging and container products. The private company is based in Bad Wörishofen, Germany. The CEOs of the company are Yuji Suzuki, Yasuhiro Baba, Yosuke Kawamoto, Robert Kyle Baker.

Part of Kinyosha Printing Co., Ltd., HOWA SANGYO Co., Ltd. is a company based in Funabashi, Japan. The Japanese company's services include planning, package design, printing, processing, and sales of packaging materials, such as food package. Founded in 1962, the company specializes in manufacturing and selling soft packaging materials using plastic films and paper.

Nihon Matai Co., Ltd. engages in the manufacture, processing, and import and export sales of plastic packaging products, paper products, and industrial materials. The company was founded by Masunosuke Uchida in 1907 and is headquartered in Tokyo, Japan.