Qingdao Manganese Investment Partnership (Limited Partnership) Conducted a Sealed Tender for the Selenium Dioxide Project for EMM Production [SMM Selenium Report]

SMM, March 20: According to official news from Qingdao Manganese Investment Partnership Enterprise, Qingdao Manganese Investment Partnership Enterprise (Limited Partnership) invited qualified bidders to submit sealed bids for the selenium dioxide project for EMM production. Composition requirements: SeO₂ ≥ 98%; insoluble matter < 0.05%; ignition residue < 0.2%. Appearance: white powder or acicular crystal particles, a slight red tint was permissible, and there must be no caking (referring to lumps that were not easily broken with a hammer) or visible foreign matter. Safety and environmental protection requirements: ensure that the packaging remained intact and the product did not leak during normal storage and transportation, so as to avoid environmental pollution, and the packaging container must not contaminate the product. Transportation and storage requirements: transportation should ensure that the packaging container remained intact and sealed, and it should be protected from exposure, high temperatures, and rain. Store in a cool, ventilated warehouse, separately from oxidants and acids. Acceptance criteria: the seller shall provide, together with the goods, the factory inspection certificate for the subject matter and the chemical analysis sheet for the subject matter or a third-party detection report. The total tender quantity was approximately 169 mt. Bid submission deadline: 9:00 a.m. (Beijing time), March 23, 2026.