residential door closer with hold open ul certified

{"cid":"91188155","title":"Cam Action Concealed Door Closer Fire Rated UL Listed Casting Iron","imgUrl":"https:\/\/img.ismap.com\/nimg\/95\/73\/e2e35ed32b130737d7964b8f7f2f-200x200-1.jpg","attrs":{"Price":"Negotiable\uff08very competitive\uff09","Brand Name":"GRH","Model Number":"OB-100,OB-1035,OB-105,OB-CD60","Minimum Order Quantity":"1000 PCS","Delivery Time":"20 days to 50 days after received the deposit.","Place of Origin":"ZHEJIANG,CHINA","Payment Terms":"L\/C, D\/P, T\/T, Western Union","Supply Ability":"30000 Piece\/Pieces per Month","Packaging Details":"Export packing","Product Name":"Door closer","After-sale Service":"Online technical support, Onsite Installation, Onsite Training","Design Style":"Modern","Door weight":"40-65kg"}}

{"cid":"91148747","title":"Residential Door Accessory Hardware Magnetic Door Stopper Strong Magnetism","imgUrl":"https:\/\/img.ismap.com\/nimg\/b4\/5d\/5003626970b90f1127df30d4b43d-200x200-1.jpg","attrs":{"Price":"$1.5-$2.1","Brand Name":"BAKUE","Model Number":"DSLNZ01-SS","Minimum Order Quantity":"500pcs","Delivery Time":"4-5 weeks","Place of Origin":"Guangdong, China (Mainland)","Payment Terms":"T\/T, L\/C, Western Union","Supply Ability":"50000sets\/month","Type":"Door Stops","Product Name":"Door Stopper","Function":"Prevent Wall","Material":"Stainless Steel","Usage":"Door Guard","Packing":"Opp Bag","Color":"Sliver","Feature":"Durable"}}