ps 500a top drive seal ring

{"cid":"91222869","title":"Alloy Steel Glyd Seal Ring 7818898 for PS-500A Top Drive Drilling","imgUrl":"https:\/\/img.chinax.com\/nimg\/72\/32\/0a219a034574e4a16892d07dd4b5-200x200-1.jpg","attrs":{"Price":"NEGOTIABLE","Brand Name":"TOPLAND","Model Number":"7818898","Minimum Order Quantity":"1","Delivery Time":"5-8 DAYS","Certification":"API","Place of Origin":"CHINA","Payment Terms":"T\/T,Western Union","Supply Ability":"1000 SET\/Month","Packaging Details":"Wooden Carton","Material":"Alloy;Steel","Customization":"Acceptable","Operation Pressure":"Atmospheric Pressure","Transport Package":"Carton\/Wooden Box","Application":"Drilling","Condition":"New"}}