About cgr Metalloys

Established in 1994 as Chemmanur Gold Refinery (CGR), the company pioneered the use of state of the art technologies for precious metal processing in India. With the use of superior manufacturing practices and technology, we introduced benchmarks for Purity, Integrity and Reliability in the realms of Purity analysis, Refining, Minting, Jewellery Hallmarking & Bullion Trading.




BIS license for gold refining is granted to refiners who possess superior bullion manufacturing capabilities and stringent quality control norms stipulated by the Bureau of Indian Standards. Additionally, CGR Laboratories are accredited by NABL as per IS/IEC 17025:2017, The highest international standard for gold testing laboratory management, a recognition of our ability to generate consistent & dependable accuracy is Assays & Product quality. Assuring our patrons' world-class services.



Bureau of Indian Standards


National Accreditation Board for Testing and Calibration Laboratories


International Organization for Standardization


A Journey Of Refinement

Tested by Fire and perfected by passion - it’s that very essence of purity and reliability that defines who we are, and our commitment to clients. Embarking on our journey in 1994, We set up India’s first fully integrated scientific Precious metals refinery, enabling access to world-class products and services to the entire gold supply chain.

Integrity, transparency and excellence at all touchpoints, have been the cornerstones of our service delivery to clients. We consider it a privilege that our services are much sought-after by all major jewellery houses in India, as well as Government and Religious institutions. The venture is registered with the Government of India as a Bullion Manufacturer and Mint approved by the Ministry of Consumer Affairs and Finance, Govt. of India.




CGR Hallmarkers is a BIS-recognised Hallmarking Centre authorised to hallmark 22K,18K & 14K gold and 92.5 sterling silver jewellery. Providing 3rd party certification for jewellery, ensuring that it conforms to BIS quality standards.


Capable of refining various types of gold-bearing alloys & scrap metal. Our imported refining plants are equipped with the latest technology and we implement sophisticated search and recovery methods to maximise precious metal recovery; optimising returns for our clients.