guarantee letter sample for product

{"title":"Glitter Letter Birthday Candles For Cake Decoration Food Grade OEM \/ ODM Service","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/8a\/9f\/6389e20ecc0ede849ef36db03987-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"HT","Certification":"SGS","Place of Origin":"China\uff08Mainland\uff09","Payment Terms":"T\/T","Matieral:":"100% Parafin","Color:":"Various Colors","Type:":"Alphabet Letters Birthday Candle","Feature:":"Eco-friendly , Safety , Non-toxic"}}

{"title":"1500W Yag Laser Welding Machine for Advertising Letters 39KG Handheld Channel Letter Welder Air-cooled Laser Welder 39KG","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/ee\/1f\/fec2f25c5a6087ac148beffbcf28-200x200-1.jpg","attrs":{"Price":"CN\u00a51,801.15-46,829.90\/pieces","condition":"New","Output Power":"1500W","usage":"Matel Welding","place of origin":"Hubei, China","brand name":"HM","single pulse energy":"200j","pulse width":"0.1-20ms","wavelength":"1064NM","focal spot diameter":"0.3-3mm","dimensions":"580*420*620MM","warranty":"2 years","laser head brand":"WSX","servo motor brand":"MOONS","guiderail brand":"NSK","control system brand":"Cypcut","weight (kg)":"200","key selling points":"Easy to Operate","Product name":"Handheld Laser Welding Machine","Key word":"Manual Handheld Laser Welding Machine","Laser type":"air cooling","Function":"Metal Part Laser Welding","Laser source":"Raycus MAX BWT","Cooling method":"Air Cooliing","Laser power":"1000\/1500\/2000W","Welding materials":"Stainless Steel Carbon Steel AlluminumEtc","Color":"Customized Color","Use":"Welding Position Adjusting Equipment"}}