where to buy soundproofing material

{"cid":"91138181","title":"Folding Wall Office Partitions Buy Soundproof Wall Office Partitions Easy Installation","imgUrl":"https:\/\/img.chinax.com\/nimg\/53\/bc\/83f3c17f43b591bc34f623ae8541-200x200-1.jpg","attrs":{"Price":"$69-90 per square meter","Brand Name":"EBUNGE","Model Number":"65 MM","Minimum Order Quantity":"1 square meter","Delivery Time":"7-28 days","Certification":"","Place of Origin":"Guangdong, China","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union, MoneyGram","Supply Ability":"10000 square meters per month","Packaging Details":"carton package, MDF batten on four section sides ,foam board on both front face.","Product Name":"Office Furniture Partitions","Application":"Meeting Room","Material":"Glass","Color":"Customized","Function":"Movable partition wall","Service":"ODM OEM","Finish":"Melamine","Thickness":"65 MM","Package":"Standard Wooden Case","MOQ":"NO MOQ","Advantage":"Easy flexibility"}}

{"cid":"91223510","title":"Wooden Soundproof Spa Sauna Steam Room Finnish Steam Room 1-6 People","imgUrl":"https:\/\/img.chinax.com\/nimg\/93\/4f\/de98961c49e3b1a47611b185eb03-200x200-1.jpg","attrs":{"Price":"1344$","Brand Name":"GOHO","Model Number":"YS2","Minimum Order Quantity":"1","Delivery Time":"25 -35","Certification":"CE certification","Place of Origin":"ShenZhen China","Payment Terms":"T\/T","Supply Ability":"500\/m","Packaging Details":"60X60X60 cm","Warranty":"5 Year","Size":"Small","Design":"Modern","Installation Method":"Freestanding","Privacy":"Private","Function":"Soundproofing","Accessibility":"Accessible","Installation":"Easy","Customizable Options":"Color, Size, And Furniture","Frame Material":"Aluminum","Material":"Soundproof Material","Ventilation":"Air Circulation Fan","Type":"Office Pod","Durability":"Durable","Power Outlets":"2","Temperature Range":"80-100 degrees Celsius","Humidity Range":"10-20%","Accessories":"Towel rack, cup holder, foot massager","Lighting":"LED lights","Heating System":"Electric or gas","Door Type":"Tempered glass door","Audio System":"Built-in audio system","Seating Capacity":"1-6 people","Control Panel":"Digital control panel"}}