Helical Gear Tianjin OuNaiDa Transmissions Machinery Trading Co., Ltd. Our company is established in 2008 with abundant registered capital-Tianjin, with 20years鈥?manufacturing experience and 14years' export experience. 20years Manufacturing experience 100 Enterprise employees 300+ Overseas distributor 14years Export experience Our Factory Our factory is established in 2000 and at 2010 we founded foreign trading company-Tianjin Ounaida Transmissions Machinery Trading Co., Ltd.Our factory http://www.tjond-gear.net/