Long-term storage of stainless steel elbow, should be regularly checked often exposed machined surfaces should be kept clean and remove dirt, neatly stored in ventilated, dry place indoors is prohibited stacking or open storage. Stainless steel elbow often remain dry and ventilate the cage clean and tidy, in accordance with the accurate way to store storage. Contact: Liu Mobile: 13931700327 Tel :0317 -6017386 Fax :0317-5138086 QQ number -1286123911