Japan Rubber Manufacturers Association (http://www.jrma.gr.jp/) Japan Hose Coupling Association (http://www.jhca.gr.jp/) "Tohoku" Trade Association for Industrial Rubber and Plastic Product Wholesalers (http://www.chuokai-miyagi.or.jp/~tgomu/) "Tobu" Trade Association for Industrial Rubber and Plastic Product Wholesalers (http://www.gomu.gr.jp/) "Seibu" Trade Association for Industrial Rubber and Plastic Product Wholesalers (http://www.skgs.or.jp) "Chubu" Belt Endless Manufacturers Association (http://www.cb-endless.com/)