... quality system certification, and the products have passed 3C, GS, CE , EPA , CARB , etc . Professional technology , high quality , competitive ... seals, o-rings , pumps that have been run without water supplied or no oil filled damage or malfunction resulting from ... control .IV. Domestic and International Exhibition of High Pressure Hose Reel Every year , Zhejiang DANAU Industries Co., LTD attend many ...