250gsm duplex white gray back boaard

{"cid":"91190462","title":"700mm X 100mm Duplex White Gray Back Board For Book Covers 250gsm","imgUrl":"https:\/\/img.chinax.com\/nimg\/cb\/5a\/f179eaa1af319301e4b150cb6839-200x200-1.jpg","attrs":{"Price":"negotiation","Brand Name":"BM paper","Model Number":"BM91","Minimum Order Quantity":"1 Ton","Delivery Time":"5-25 working days","Certification":"ISO9001, ISO14001, SGS, ETC.","Place of Origin":"Guangdong, China","Payment Terms":"T\/T, Western Union, MoneyGram","Supply Ability":"350000 tons per month","Packaging Details":"Roll, Sheet, Ream","Product name":"Duplex White Gray Back Board","Gsm":"700mm x 1000mm","Size":"250gsm","Product Type":"Book covers","Printing Type":"Offset Printing","Surface Finish":"Embossing"}}

{"cid":"91178542","title":"Clay Coated News Back Paper One Side Coated 250gsm Duplex Board Packaging","imgUrl":"https:\/\/img.chinax.com\/nimg\/35\/0f\/b9aca1ea13fcc5d09790f9ff0c01-200x200-1.jpg","attrs":{"Price":"Negotiation","Brand Name":"BMPAPER","Model Number":"CCNB board","Minimum Order Quantity":"1 MT","Delivery Time":"5-25 working days for CCNB board","Certification":"SGS, ISO","Place of Origin":"Guangzhou, China","Payment Terms":"T\/T, L\/C, Western Union","Supply Ability":"500000 Metric Tons per Month","Packaging Details":"1. sheet packing 2. ream packing 3. roll packing 4. As per customer's request","Product name":"Clay Coated News Back paper","Basic weight":"200gsm, 250gsm, 300gsm, 350gsm, 400gsm, 450gsm","Furface":"Once side white, one side grey","Coating":"White side coated","Size":"635\/660\/700\/787\/840\/889\/1000\/1092mm","Ohter size":"Can be customized","Grade":"AAA, AA, A","COBB(60S)":"TOP \u226450\uff1bBACK \u2264120"}}

{"cid":"91218520","title":"250gsm 300gsm One Side White One Side Gray Duplex Paper For Packaging","imgUrl":"https:\/\/img.chinax.com\/nimg\/83\/aa\/fd85af1a4d1570c70af41ae93565-200x200-1.jpg","attrs":{"Price":"Negotiation","Brand Name":"BMPaper","Model Number":"BM 21","Minimum Order Quantity":"5 Tons","Delivery Time":"5 - 20 working days","Certification":"ISO, SGS","Place of Origin":"China","Payment Terms":"T\/T, Western Union, MoneyGram","Supply Ability":"500,000 Tons \/ Year","Packaging Details":"Sheet, Roll, Ream","Paper Name":"Gray Duplex Paper","Brand":"BM Paper","Feature":"One Side White One Side Gray","Color":"White and Grey","Grammage":"250gsm 300gsm","Application":"For Packaging"}}