Jinan Chenghui-Shuangda Chemical Co., Ltd. located in Jinan is a professional company focusing on researching and manufacturing active pharmaceutical ingredients (APIS) and intermediates

Local anesthetic and their intermediates:
Ropivacaine HCL and Ropivacaine, Bupivacaine and Bupivacaine Hcl, Mepivacaine HCL and Mepivacaine, Levobupivacaine Hcl and levobupivacaine, Ropivacaine,bupivacaine, mepivacaine intermediates: N-(2',6'-dimethylphenl)-2-Piperidine Carboxamide, Dibucaine (Cinchocaine) HCL and Dibucaine, Prilocaine HCL and Prilocaine, Pramoxine HCL
Anti allergies and their intermediates:
Loratadine, Levocetirizine Hydrochloride
Treat Alzheimer’s disease:
Donepezil Hcl , Donepezil,Donepezil Intermediates:
(1)5,6-Dimethoxy-2-(piperidin-4-yl)methyl-indan-1-one HCL
(2) 5,6-Dimethoxy-1-indanone
(3) 4-Pyridine Carboxaldehyde
Drug for gynecology
Policresulen (slbothyl), Nifuratel
Anti depress:
Tianeptine , Duloxetine hydrochloride
Drug for circulatory system
Ozagrel, Ozagrel Hcl, Ozagrel Sodium, Carbazochrome Sodium Sulfonate, Dofetilide, Nisoldipine
Esmolol Hcl, Mildronate, Tiopronin, Stepronin, Meclofenoxate Hcl
Antibiotic
Foscarnet sodium, Cefpirome sulfate and initermediate: 2,3-cyclopentenopyridine
Another:N-L-alanyl-L-glutamine