one button manhole cover with rubber seal

{"cid":"91224153","title":"Carbon Steel One-button Quick Opening Manhole Cover with Design Temperature -20- 140 and Modified Rubber Seal Material","imgUrl":"https:\/\/img.ismap.com\/nimg\/25\/02\/0ffb00f94cd277abd4bb332ced2d-200x200-1.jpg","attrs":{"Price":"$150\/pieces 1-9 pieces","Brand Name":"CHUANCHU","Model Number":"HT_YJSRKG_520","Minimum Order Quantity":"1","Delivery Time":"7-30 days","pump":"\/","Material":"Carbon Steel","Power":"\/","Accuracy":"\/","Nozzle":"\/","ambient temperature":"\/","Place of Origin":"Hubei, China","Working Voltage":"\\","Flow Rate":"\\","Warranty":"1 Year","Certificate":"\\","Type":"manhole cover","Nominal diameter":"DN450","Nominal pressure":"0.3MPa","Main Material":"Carbon steel","Design Temperature":"-20~+140","Weight":"35.5kg","Seal Material":"Modified rubber","Applicable Media":"Granular material,bulk cement,coal ash","Use":"Loading port","Application":"cover","Packaging Details":"Wooden box","Payment Terms":"T\/T","Supply Ability":"Meet large-scale orders"}}