Dear friends,As the ORIGINAL vb12 manufacturer/supplier in China, established in 1957,we, North China Pharmaceutical KANGXIN CO., LTD.(ncpc kangxin) can provide VB12 in high quality with competitive price.Pharmaceutical Grade: group :1. cyanocobalamin-vitamin b12 CP/BP/USP/EP Packing: 1000g/tin 500g/tin 100g/tin 2. mecobalanmin-methylcobalamin JPXIV Packing: 1000g/tin 500g/tin 100g/tin 3. hydroxocobalamin-vitamin B12 BP Packing: 1000g/tin 500g/tin 100g/tin 4. cobamamide-vitamin B12 CP Packing: 1000g/tin 100g/tin Vitamin B12 feed / food additive Carrier: corn starch, Mannitol, Di-calcium Phosphate Packing: 10kg/Alu foil bag, 20kg/carton dextrose monohydrate - FOOD GRADE / INJECTION GRADEmaize starch- FOOD GRADE / INDUSTRIAL GRADECertificate we obtain:ISO14001ISO9001kosher-certificationGMPSA8000We are applying for cos and farmi-qs certification.If you are interested in our products, please contact us.NCPC-KANGXIN CO., LTD.Export departmentLongman guo & his service teamShadow ZhangLi