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Manufacturing High-Quality Complex Chemicals for Multiple Industries Worldwide

We manufacture complex chemical molecules that are used by pharmaceutical companies, nutraceutical companies, cosmetic companies, and veterinary medicine. We have a highly skilled research and development team with experience across multiple disciplines such as microbiology, biochemistry, enzymology, organic chemistry, and bioprocess technology. Equipped with a dedicated state-of-the-art R&D facility, our unique expertise and advanced technological capabilities have earned us the trust of clients all over the world.

170+ KL

Manufacturing Capacity


Customers Served

  • Pharma Intermediates
  • Veterinary APIs
  • Electronic Chemicals
  • Nutraceuticals

Pharma Intermediates

Our Intermediates are used by pharmaceutical companies in their manufacturing processes. These serve as the building blocks of Active Pharmaceutical Ingredients (APIs) — the active component in medicines. We manufacture:

  • Solifenacin
  • Montelukast
  • Alogliptin/Teneligliptin
  • Linagliptin
  • Cetirizine/Levocetirizine
  • Meclazine
  • Darolutamide
  • 3-Pyridine Carboxaldehyde
  • Edoxaban
  • Montelukast Sodium
  • Etoricoxib
  • Desvenlafaxine Succinate
  • Trazodone Hydrochloride
  • Perindopril Arginine
  • Rebamipide
  • Candesartan Cilexetil
  • Ezetimibe
  • Download our complete list of products.


Veterinary APIs

Veterinary APIs are important ingredients that go into the manufacturing of drugs for animals. They are widely prescribed by veterinarians in healthcare settings. We manufacture:

  • Carprofen
  • Grapiprant
  • Fluralaner
  • Pimobendan
  • Maropitant Citrate
  • Oclacitinib
  • Afoxolaner
  • Tulathromycin
  • Robenacoxib
  • Download our complete list of products.


Electronic Chemicals

The electronics industry employs several specialty chemicals for use in advanced electronic components such as integrated circuits, compound semiconductors, silicon chips etc. ZST manufactures a range of specialty chemicals catering to the electronics industry. We manufacture:

  • 3,4-Ethylenedioxythiophene (EDOT)
  • 2 3,4-Dimethoxythiophene
  • 3 2-Butyl-2,3-dihydrothieno[3,4-b][1,4]dioxine (Bu EDOT)
  • 4 Hydroxy Methyl EDOT
  • Chloromethyl-EDOT
  • Carboxy-EDOT
  • ProDOT (propylenedioxythiophene)
  • NPB (Hole Transport Layer)
  • CBP (Hole Transport Layer)
  • BPDA (3,3',4,4’-Biphenyltetracarboxylic dianhydride)
  • BTDA (3,3',4,4'-Benzophenonetetracarboxylic dianhydride)
  • R-ODA (4,4′-(1,3-Phenylenedioxy)dianiline)
  • Download our complete list of products.



We are currently in the process of expanding our product range to cater to the nutraceutical industry. Nutraceutical chemicals can be used in the production of supplements and fortified foods. Here are some of the nutraceutical chemicals under development:

  • Alpha lipoic acid (ALA)
  • R-alpha lipoic acid (R-ALA)
  • Coenzyme Q10
  • Astaxanthin
  • Zeaxanthin
  • Beta carotene
  • EPA
  • DHA
  • L-carnitine base
  • L-carnitine L-tartrate
  • Ursodeoxycholic acid (UDCA)
  • Download our complete list of products.