... service I .Introduction of the manufacture of High Pressure Spray Gun Zhejiang Danau Industries Co., Ltd was established ... chemical deterioration .Accessory parts , such as guns , hoses , nozzle extensions (wands),and nozzles, are excluded from the product warranty ... control .IV. Domestic and International Exhibition of High Pressure Spray GunEvery year , Zhejiang DANAU Industries Co., LTD attend many ...