TÜV Rheinland has launched a closed-loop recycled material verification process for electronics supply chains, aiming to help manufacturers document recycled inputs across complex networks of collectors, dismantlers, processors and downstream producers.
The program arrives as governments and regulators worldwide tighten recovery requirements while encouraging higher use of recycled feedstocks in new products, an effort tied to rising volumes of consumer electronic waste and broader resource conservation goals.
In announcing the initiative, the German-based TÜV positioned third-party verification as a way to make recycled material claims more transparent across multi-company supply chains that often span several countries and several material streams. The company described the framework as covering each stage from waste collection through the point recycled materials are integrated into new products.
The verification approach is aligned with ISO 14021, EN 15343 and ISO 22095, standards that address environmental claims, plastics recycling traceability and chain-of-custody concepts for supply chains. TÜV Rheinland presented the alignment as a means of providing consistent documentation and auditability across partners rather than relying on a single operator to control the entire recycling loop.
“Closed-loop recycling not only increases resource efficiency; it also accelerates advances in recycling technologies and enhances precision in the upstream supply chain,” said Ryan Hsiang, vice general manager for people and business assurance at TÜV Rheinland.
TÜV Rheinland said the process has already been applied in a pilot project that involved multiple specialist recyclers working across different material streams, including plastics and printed circuit boards. The pilot was presented as a demonstration that closed-loop systems can function across a distributed supply chain where different companies handle dismantling, material recovery and refinement.
In the pilot, GuangDong TPIPLASTIC oversaw plastics recycling, using dismantled and sorted materials that were crushed, washed and regranulated into recycled plastics, according to the announcement. The audited materials included recycled ABS and PMMA along with rubber.
Electronic components were dismantled by Australia’s SPC E-Cycle, while printed circuit boards were processed by Mint Innovation using what TÜV Rheinland described as a proprietary low-impact technology. The company said the circuit board processing produced “100% brand-exclusive closed-loop recycled copper,” which then moved to the next stage of refinement.
The recovered copper was refined into strips by Ningbo Jintian Copper before entering downstream production. TÜV Rheinland said the resulting materials were being used in new components, which it cited as evidence of a functioning closed-loop model intended to reduce the environmental burden of discarded electronics.
Audits conducted by TÜV Rheinland confirmed that recycled ABS, PMMA, rubber and copper met required standards for traceability and material quality across all audited stages, the company said. The announcement framed the audits as confirmation that both documentation and material flows were consistent with the verification requirements being applied across partners.
“This pilot not only elevates recycled material management within the supply chain; it also supports broader industry adoption of recycled inputs and accelerates progress toward a circular economy,” Hsiang added. “We look forward to collaborating with additional partners to scale this supply chain management approach.”
TÜV Rheinland, headquartered in Cologne, said it employs about 27,000 people across more than 50 countries and provides testing, inspection and certification services across sectors including mobility, energy and infrastructure. The company said it has been a signatory to the UN Global Compact since 2006.
As electronics producers face increased scrutiny over recycled content and supply chain transparency, TÜV Rheinland is seeking to position its verification process as a structured way to substantiate recycled material use across partners without requiring full vertical integration of recycling operations.


























