Hefei isoolefine Biological Technology Co.,Ltd is specialized in research and development production of high purity vitamin K2 series of products (such as vitamin K2（20）(MK-4), vitamin K2（25）(MK-5),vitamin K2（30）(MK-6),vitamin K2（35）(MK-7), etc.) and long chain polyterpene alcohol series of products (such as all-trans-geranyl geraniol of CAS: 24034-73-9, all-trans-geraniol acetalol of CAS: 22488-05-7, etc.) , besides we have realized the industrial production of vitamin K2 series products and long Chain polyene terpene alcohol series of products for the first time in China . In addition we also professional synthesis of long chain diacid and its derivatives (hexadecadioic acid，octadecanedioic acid, eicosanedioic acid，docosanoic acid, 1，32-dotriacontanedioic acid and its single tert-butyl ester, etc.).