replacement cylinder for office chair

{"cid":"91196177","title":"Chrome Office Chair Gas Lift Replacement , Chair Gas Lift Cylinder Pneumatic Bar Chair 420mm Hydraulic Adjuster","imgUrl":"https:\/\/img.chinax.com\/nimg\/6c\/56\/4f632d9565ccdce2fcdd4b6d62ac-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"NANTAI OR CUSTOMIZED","Model Number":"120","Minimum Order Quantity":"500 pieces","Delivery Time":"7-15 working days","Certification":"BIFMA5.1 SGS TUV","Place of Origin":"CHANGZHOU ,CHINA","Payment Terms":"T\/T, Western Union, L\/C Negotiable","Supply Ability":"1200000 pieces per month","Packaging Details":"1. 1pc per poly bag 20pcs per carton 3. 22000pcs-25000 pcs per 20GP","Stroke":"120","Material":"STEEL","Usage":"BAR CHAIR","Packing":"10pcs\/ctn","Color":"CHROME\u3001WHITE","Pressure":"380-440N","Certifiacate":"SGS AND TUV","Button":"White\/ Orange\/ Green\/ Blue\/Customized","Products Name":"Office Chair Gas Lift","Bottom Dealing":"Welding\/ Punched"}}

{"cid":"91220222","title":"Black Smooth Office Chair Gas Lift Replacement Cylinder Height Adjustment 38mm Pipe","imgUrl":"https:\/\/img.chinax.com\/nimg\/90\/66\/81eb960dc8c4e05e3d9620ced458-200x200-1.jpg","attrs":{"Price":"USD 2.10-2.80 Pieces\/set","Brand Name":"Sendeline","Model Number":"B-38B-1","Minimum Order Quantity":"100 set","Delivery Time":"15 work days","Place of Origin":"Foshan, Guangdong","Payment Terms":"L\/C, D\/A, D\/P, T\/T, MoneyGram","Supply Ability":"10,000 PCS, 15 work days","Packaging Details":"Carton, 10 PCS\/box","Product name":"Office Chair Gas Spring","Color":"Electroplated, Black","Material":"Metal","Stroke":"70# 85# 100# 125# 143#","Application":"Office Chair","use":"Office Chair, Bar Chair","Load Capacity":"150kg","Weight":"0.78-1.025kg"}}