CPAchem is a global manufacturer of high-quality certified reference materials (CRMs), calibration standards, and custom-made solutions for analytical laboratories. Headquartered in Bulgaria, the company is accredited by ISO 17025 and ISO 17034, ensuring the highest standards of precision and reliability. CPAchem serves clients in over 120 countries, offering products tailored for various industries, including environmental, food, pharmaceutical, and petrochemical testing.