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Title: DONGSHENG Metal Raises the Technical Bar for Global Precious Metal Recycling

Hong Kong S.A.R., 15th Aug 2025 - Hong Kong Dongsheng Metal Trading Co., Ltd. (DONGSHENG) announced new technical benchmarks in sampling, assaying, and closed-loop refining that respond to what precious metal recycling companies identified across 2025 trade papers and conference proceedings: tighter ESG audits, faster settlement cycles, and higher accountability from feedstock intake to final bullion or salt.Scope and capabilitiesDONGSHENG integrates service, manufacturing, and trade across high-value streams: germanium, ruthenium, rhodium, palladium, iridium, platinum, gold, and silver. The company also runs specialized programs for titanium anodes, titanium electrodes, MMO/DSA anodes, nickel mesh and nickel scrap, iridium wire, titanium scrap, printed circuit boards (PCBs), cemented carbides, catalytic converters, precious metal catalysts, and iridium spark plugs. This portfolio matches the diversified intake trend reported by precious metal recycling companies and reduces single-metal price risk.Registered office: Room 2120, New Technology Plaza, No. 34 Dayou Street, San Po Kong, Kowloon, Hong Kong.Intake, sampling, and settlement Intake controls. Barcode tracking per lot, sealed drums, and photo logs on receipt. Chain-of-custody mirrors the best practices published by precious metal recycling companies. Sampling. Multi-increment riffle or rotary splitting for solids; coning-and-quartering for heterogeneous e-scrap; pressurized filtration for liquid catalysts. Variograms are recorded to prove sampling representativeness—an area where precious metal recycling companies saw the most dispute reduction in 2025. Assay. ICP-OES/ICP-MS for PGMs and base metals; fire assay with nickel-sulfur collectors for Au/Pt/Pd; XRF for screening; GD-MS for...

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