International Tin Association (ITA) signed a Memorandum of Understanding (MOU) with the China Chamber of Commerce of Metals, Minerals & Chemicals Importers & Exporters (CCCMC) during its Annual Conference on High-Quality Growth in Metals, Minerals, Chemicals & Building Materials Industry on 25 March 2026 in Beijing, China.
Both parties believe in the importance of collaboration to support the shared aims of each organisation, and to better promote efficient implementation of sustainability practices including by relevant Chinese companies under the Tin Code and the Chinese Due Diligence Guidelines for Mineral Supply Chains. Through the sharing of experiences and information, the two organisations will support the implementation of good mining practices and supply chain due diligence management based on internationally agreed frameworks and the principle of progressive improvement, and plan to explore enhanced collaboration in related areas that will support and improve areas such as the efficient use of supply chain standards and the available choice and value of different reporting and assurance tools for the upstream industry.
About CCCMC
China Chamber of Commerce of Metals, Minerals & Chemicals Importers & Exporters (CCCMC) is a nationwide and industrial non-profit social organisation formed voluntarily by units registered within the territory of the People’s Republic of China according to law and engaged in economic activities in regard to metals & minerals and related products, non-metallic minerals and related products, hardware products, building materials products, petroleum and related products, chemical raw materials and related products, as well as the upstream and downstream industrial chains in the above-mentioned fields. CCCMC works to promote sustainable practices in a wide range of sectors, including through the implementation of the Chinese Due Diligence Guidelines for Mineral Supply Chain.
About ITA
The International Tin Association (ITA) is the organisation dedicated to supporting and representing the global tin industry, with the objective of maintaining an innovative and sustainable supply chain and market for tin and has experts dedicated to markets, technology and sustainability. ITA works with leading tin producers and downstream users in cooperative activities related to important regional and global issues to provide leadership and to communicate a positive and progressive future for the whole tin industry. ITA has members in Asia, Africa, Europe and the Americas but works to promote sustainable practices of the entire tin related industry, including through the implementation of the Tin Code.
The International Tin Association (ITA) is pleased to announce that Cornish Tin, a Cornwall-based tin and lithium exploration and development company and ITA E&D Group Member, has committed to implementing the Tin Code ESG-sustainability standard for its flagship projects in West Cornwall, UK: the Great Wheal Vor Project and the Tregonning Project.
This demonstrates Cornish Tin’s strong commitment to responsible mining, sustainable development, and positive impact on local communities and the tin supply chain. By aligning with the Tin Code, Cornish Tin supports the global movement towards more sustainable and transparent practices in the mining and metals sector.
Sally Norcross-Webb, Founder and CEO of Cornish Tin, said: “Our ambition has always been to build a modern mining company that reflects the highest standards of environmental, social, and governance expectations. Committing to the Tin Code reinforces our belief that sustainability must be embedded from the earliest stages of project development. Cornwall has a proud mining heritage, and we are determined to ensure that its next chapter is defined by responsible practices, transparency, and long-term value for local communities.”
Susannah Costley-White, Tin Code Programme Manager at ITA, added: “We are delighted to welcome Cornish Tin to the Tin Code, as our third explorer and developer company since in 2023 we expanded the standard to include early stage projects to promote the adoption of high standards from day one. The Tin Code sets a strong example of how sustainability can be integrated from the earliest stages of development, helping to shape a more responsible future for the tin industry.”
Further information about Cornish Tin and its projects is available at cornishtin.uk. For more information on the Tin Code for E&Ds and how to participate, visit tincode.org/participants and internationaltin.org/explorers-developers-group.
The International Tin Association (ITA) is pleased to announce that ARCHE Advisors has expanded its team of auditors registered under Tin Code Assurance, further strengthening the pool of qualified ISAE 3000 auditors. ARCHE Advisors have been a registered since July 2025, and their team now includes Emily Brennan, Kaido Katalsepp, Alejandro López y López, and the most recent addition, Arifzal Adrianto.
The expanded ARCHE team brings extensive global experience and expertise in ESG due diligence, responsible sourcing, and mineral supply chain assessments, with auditors fluent in several languages, supported by credentials such as Tin Code, RMI, Copper Mark, LBMA, and ICMM audits.
A strong, diverse Tin Code auditor network: https://tincode.org/registered-auditors/
They conduct Tin Code 7.3 Responsible Sourcing audits, now available to all tin smelters, not just ITA members: https://tincode.org/now-available-tin-code-standard-7-3-responsible-sourcing-independent-assurance-for-all-tin-smelters/
Publicly available Tin Code audit reports can be viewed on our website: https://tincode.org/tin-code-reports/responsible-sourcing-assurance/
In November, ITA’s Tin Code Programme Manager Susannah Costley-White, together with independent assessors from Green Horizons Ltd, visited leading tin producers MSC (Malaysia Smelting Corporation) and state-owned company PT Timah Tbk in Indonesia, as well as separately to PT Mitra Stania Prima’s (PT MSP) smelter.
The visits provided an opportunity to engage closely with members and local stakeholders, observe operations first-hand, and support MSC and PT Timah with their upcoming Tin Code reports. This included guidance on evidence submission and alignment with Tin Code standards, helping to ensure best practice in sustainable tin production. The team explored how ITA members apply the Tin Code principles, including environmental management, health & safety, labour practices, legal compliance, human rights, and community and stakeholder engagement.
In Malaysia, ITA toured MSC’s smelting facilities, discussing ESG initiatives and practical Tin Code implementation. In Indonesia, the team visited PT Timah’s onshore and offshore mining operations and local projects in Bangka, gaining insight into how the company manages varying operations in the local context.
The visit to PT MSP’s smelter offered insight into their operations and potential collaboration on sustainability practices under the Tin Code.
ITA thanks MSC, PT Timah, and PT Mitra Stania Prima for their warm welcome and looks forward to visiting more members to support them with Tin Code reporting and sustainable tin production.
MSC is a Member of the International Tin Association and participant of the Tin Code.
PT Timah is a Member of the International Tin Association and participant of the Tin Code.
Malaysia Smelting Corporation Berhad (MSC), a leading tin producer, has achieved a Third-Party Verified rating for Standard 7.3 (Responsible Sourcing) at its Pulau Indah smelter under the established Tin Code Assurance.
The independent verification conducted by third-party auditors confirms that MSC’s due diligence systems and public reporting meet the standards set by Standard 7.3 assessed against the ITA-RMI Assessment Criteria for Tin Smelting Companies (version 2, 25th March 2021) and are fully aligned with the OECD Due Diligence Guidance for Responsible Sourcing of Minerals from Conflict-Affected and High Risk Areas.
This marks the third consecutive year that MSC has undergone independent assurance under the Tin Code, reflecting its commitment to transparency, responsible sourcing, and continuous improvement in supply chain practices.
The Responsible Sourcing rating will be included in MSC’s upcoming comprehensive Tin Code Report, which covers all 72 environmental, social, and governance standards.
For further details, the rating letter, full assurance report, and due diligence documentation are available on the Tin Code website here.