“Oyu Tolgoi” LLC (the ‘Company’) would like to invite potential and/or experienced suppliers to submit their Expression of Interest (EOI) in relation to On-site production and supply of high concentration disinfectant solution via MIOX system.
[An EOI is only a preliminary step to a formal tender process to understand and identify whether there are potential suppliers in the market that are interested in and capable of satisfying the procurement needs].
Scope description:
The supplier is to perform the on-site production and supply of high-concentration disinfectant solutions, specifically Mixed Oxidant Solution (MOX) generate via a MIOX system, for use in industrial water treatment application at our processing plant.
On-site operation and supply details are as follows:
- System Type: MIOX (Mixed Oxidant Generation) system
- Deployment: Supplier-owned MIOX unit to be relocated and installed at our process water facility
- Operation & Maintenance: Supplier to be fully responsible for system operation, maintenance, and performance monitoring.
- Product Supplied: Mixed Oxidant Solution (MOS) with equivalent disinfectant properties to ≥1.0% Chlorine Dioxide
- Daily Supply Volume: Approximately 4–5 tons per day
Timeline
- Initial deployment and commissioning expected within the next quarter.
- Long-term service and supply contract may be considered based on performance and product suitability.
Interested and experienced suppliers are invited to submit their EOI and must include/attach, as a minimum, the following documentation/information:
Mandatory documents:
- State registration certificate (copy)*
- HSE policy & procedures (copy)*
- Business Code of Conduct (copy)*
- Brief introduction of company (copy)*
- Ownership/shareholder information such as Company charter (copy)*
- Executive team structure/introduction (copy)*
- Organization structure & Total manpower (copy)*
* If latest copies are already uploaded in “Oyu” Supplier Database, please make a note in the submission document(s) and no need to re-submit.
Scope specific documents:
- Proven experience in deploying and operating MIOX or equivalent systems in industrial or mining environments
- Ability to provide:
- Technical Data Sheets (TDS)
- Safety Data Sheets (SDS)
- Product certifications and performance data
- Logistics capability to deliver packaged product to site daily or as required
- On-site support for system commissioning, training, and ongoing operational oversight.
Any interested suppliers who wishes to participate in the EOI, must be registered in Oyu or OASIS supplier database. If you have not registered in “Oyu” database, please register to new OASIS system https://oasis.ot.mn/.
EOI documents must be prepared in Mongolian and/or English and must be submitted via Oyu or OASIS supplier database system before 5:00 PM (Ulaanbaatar time), 21 October 2025.
Important notice:
- The Company is only seeking Expression of Interest from potential suppliers and makes no representation or promise in relation to procuring work from a supplier or suppliers.
- The Company reserves the right to refuse any document(s) which is incomplete or submitted after the specified date & time.
- The Company will not accept any EOIs stored in internet storage or in any other webpages and links.
- The Company will not be responsible for any costs associated with preparing and submitting an Expression of Interest to the Company.
- There will be no Questions and Answers provided during the EOI process.
“OYU TOLGOI” LLC
PROCUREMENT DEPARTMENT