KELLER, is located in the biggest port city of China, Qingdao. Since 2006, our plant has been comprised of 12,000 square meters of manufacturing work space. It is engaged in designing& manufacturing the garden hose reel cart, hand trucks (holding hand platform cart), trailer dolly, wheel barrow, OEM wheels and so on. We have attained ISO9001:2000 Quality Management System Certification since 2008 year. Our products have sold well in Europe, the United States, Canada, Japan, Australia, and ...