how to make carbon nanotubes

{"cid":"91202063","title":"Carbon Nanotube Pad Sheet Electric USB Battery Powered Flexible Graphite Heater for Cars Outdoor Household Use Including RV","imgUrl":"https:\/\/img.chinax.com\/nimg\/93\/6b\/f538ec9f13e5508e182fc449554f-200x200-1.jpg","attrs":{"Price":"USD\/1.5","Brand Name":"sheerfond","Model Number":"sheerfond-yc001","Minimum Order Quantity":"2","Delivery Time":"Negotiable","Certification":"DE5701322965699","Place of Origin":"Guangdong,China","Payment Terms":"T\/T","Supply Ability":"Negotiable","Product name":"Graphene heating sheet","Application":"Heater Parts","Usage":"High Temperature Electric Heating","Keywords":"heating element","Size":"Cuztomized","Function":"Infrared Therapy","Power":"Cuztomized","MOQ":"5","Length":"Cuztomized","Feature":"Soft"}}

{"cid":"91208554","title":"Bulkdensity 0.6 G cm3 Graphite Raw Material Black Powder Sample Provide Source for Graphene and Carbon Nanotube Manufacturing","imgUrl":"https:\/\/img.chinax.com\/nimg\/29\/63\/06ac3179e141a607a41019d375b2-200x200-1.jpg","attrs":{"Bulkdensity":"0.6 G\/cm\u00b3","Colour":"Black Powder","Model No":"Standard","Carboncontent":"95%","Purity":"99.9%","Sample":"Provide"}}