HS Code: 261710
Origin: Bolivia
Monthly Output: 150 metric tons
Loading Port: Arica, Chile
Payment Terms: To be discussed with the buyer
Chemical Specifications
Sb ≥ 50.0%
As ≤ 0.05%
Pb ≤ 0.5%
Moisture ≤ 10% (as delivered)м
Appearance
Dark grey to black granular concentrate, 20–40 mesh, slightly metallic luster. Free-flowing, bagged in 1-ton bulk bags or customized packaging upon request.
Product Highlights
- High-grade antimony concentrate suitable for metallurgical applications and flame-retardant production
- Ultra-low arsenic and lead content, meeting strict environmental and safety standards
- Reliable monthly supply from long-term contract mining operations
- Direct export logistics via Arica port ensures fast, efficient delivery to Asia, Europe, and North America
Logistics & Compliance
- FOB / CIF / DAP terms negotiable
- Full export documentation provided (COA, MSDS, SGS/Intertek analysis, Origin Certificate)
- Available in trial lots or long-term contracts
HS Code: 261710
Origin: Bolivia
Monthly Output: 200 metric tons
Loading Port: Arica, Chile Payment Terms: To be discussed with the buyer
Chemical Specifications
Sb ≈ 20.0%
Ag ≈ 2,000 g/t
Pb ≈ 16.0%
As ≤ 0.05%
Moisture ≤ 10% (as delivered)
Appearance
Dark metallic concentrate with silver highlights. Granular, 20–40 mesh, free-flowing and slightly lustrous. Supplied in 1-ton bulk bags; custom packaging available upon request.
Product Highlights
- Complex concentrate rich in antimony, lead, and silver — ideal for integrated smelting
- High silver content (>2,000 g/t) offers additional value recovery
- Consistently low arsenic content (<0.05%) allows easier import clearance and environmental compliance
- Monthly availability ensures stable supply for long-term buyers
- Logistics via Arica port enable smooth export to international destinations
Logistics & Compliance
- FOB / CIF / DAP terms negotiable
- Export documentation includes:
COA, MSDS, Independent Lab Assay (SGS / Intertek), and Certificate of Origin
- Available for trial shipments or under yearly supply contracts
HS Code: 260300
Origin: Bolivia
Monthly Output: 150 metric tons
Loading Port: Arica, Chile
Payment Terms: To be discussed with the buyer
Chemical Specifications
Cu ≥ 50.0%
Zn ≤ 2.0%
Bi ≤ 0.05%
Moisture ≤ 10% (as delivered)
Appearance
Dark grey to black granular concentrate with metallic sheen 20–40 mesh, dry and free-flowing Packaged in 1-ton bulk bags or customized format upon request
Product Highlights
– High-grade copper concentrate derived from chalcocite-rich ore bodies
– Ultra-low zinc and bismuth content for optimized smelting performance
– Ideal for custom smelters and high-purity copper production
– Stable monthly output from consistent mining operations
– Direct export via Arica port ensures fast global delivery
Logistics & Compliance
– FOB / CIF / DAP terms negotiable
– Export documents include: COA, MSDS, SGS or Intertek assay, Certificate of Origin
– Available for trial shipments or under long-term supply agreements
HS Code: 260800
Origin: Bolivia
Monthly Output: 180 metric tons
Loading Port: Arica, Chile
Payment Terms: To be discussed with the buyer
Chemical Specifications
Zn ≈ 50.0%
Ag To be determined by dry sample inspection (DSIT)
Pb ≤ 2.0%
Fe ≤ 7.0%
As ≤ 0.05%
Moisture ≤ 10% (as delivered)
Appearance
Light to dark grey granular concentrate with metallic luster 20–40 mesh, dry and free-flowing Shipped in 1-ton bulk bags or customized packaging on request
Product Highlights
– High-grade zinc concentrate with recoverable silver content
– Low lead and arsenic levels for smelting compliance
– Sourced from consistent contract mining operations
– Dry sample assay (DSIT) confirms silver grade upon request
– Available for flexible shipment plans from Arica port
Logistics & Compliance
– FOB / CIF / DAP terms negotiable
– Full export documentation provided: COA, MSDS, Independent Lab Assay (SGS/Intertek), Certificate of Origin
– Trial shipments and long-term contract options available
Headquartered in Potosí with operational reach into Uyuni, Oruro, and the wider Andean region, Union Minero is uniquely positioned to unlock Bolivia’s underdeveloped metallogenic provinces through:
– Deep in-house geological expertise and proprietary mapping
– Access to strategic concessions open to private development
– Pilot-scale metallurgical testing (flotation, leaching, SX-EW, electrowinning)
– Logistics integration via the port of Arica, Chile
– Transparent export operations and long-term supply reliability
We work closely with local communities, regulators, and international buyers to ensure that each step of the mining value chain — exploration, extraction, and export — is efficient, traceable, and compliant with global sustainability standards. Our strength lies not only in technical execution but in strategic vision: we invest where the future of energy transition and metal demand converge.
As of 2025, Union Minero operates pilot-scale production in antimony and copper concentrates, with scalable monthly output and verified mineralogical profiles. Backed by extensive field research, we offer consistent, high-quality mineral supply and are actively expanding our operations in Bolivia’s most prospective mining districts. Whether you're a strategic offtaker, smelter, trader, or long-term investor, Union Minero Inc. is your trusted gateway to Bolivia’s emerging mineral wealth — grounded in science, driven by integrity, and built for global partnerships.
Ag: 2kg/t
Ag:0.4 kg/t
GEON — AI Assistant of United Miners
GEON is a next-generation AI assistant that supports the entire mining value chain — from geological exploration to legal compliance and international trade.
- Geological Intelligence: Interprets survey data, builds 2D/3D ore body models, and identifies targets for drilling campaigns.
- Mineral Recognition: Uses photo-based AI to identify mineral types and assess concentrate quality in real time.
- Legal Automation: Prepares and reviews contracts, licensing documents (AJAM), SENARECOM declarations, and JORC/NI 43-101 reports.
- Trade & Logistics: Supports export workflows — generates COA, MSDS, packing lists, and handles buyer communication across languages and regions.
GEON merges geology, metallurgy, law, and logistics into one seamless digital brain — tailored for the demands of modern mining.
Rooted in Bolivia
Monthly Output:
600 tons of polymetallic ore
Chemical Composition:
Sb: 4.5%
Ag: 500 g/t
Pb: 3%
Mineralogy:
Jamesonite • Boulangerite • Argentite • Stibnite
Market Value:
A polymetallic deposit combining antimony, silver, and lead, ensuring steady operations.
Monthly Output:
450 tons of stibnite-rich ore
Chemical Composition:
Sb: 4.5%
Au: 2 g/t
Mineralogy:
Stibnite with associated refractory gold
Market Value:
Stable antimony grades complemented by gold, supporting ongoing production.
Monthly Output:
1,200 tons of stibnite ore
Chemical Composition:
Sb: 3%
Mineralogy:
Stibnite-dominant ore body
Market Value:
Large-scale site focused on consistent antimony production.
Monthly Output:
800 tons of polymetallic ore
Chemical Composition:
Zn: 8%
Mineralogy:
Zinc-rich ore body with associated base minerals
Market Value:
High zinc grade ensures reliable output and ongoing development.
Monthly Output:
500 tons of polymetallic ore
Chemical Composition:
Zn: 7%
Pb: 5%
Ag: 600 g/t
Mineralogy:
Zinc-lead ore with high silver content
Market Value:
Balanced zinc, lead, and silver grades provide a solid base for stable production.
Up to 3,000 tons of ore (starting November 2025)
Chemical Composition:
Au: 2 g/t
Mineralogy / Deposit Type:
Alluvial gold • Open-pit deposit
Market Value:
Large-scale open-pit operations with alluvial gold, expected to grow steadily after start-up.
Monthly Output (expected):
3,000 tons of copper ore (starting October 2025)
Chemical Composition:
Cu: 3.5%
Mineralogy:
Malachite • Chalcocite
Deposit Type:
Open-pit copper deposit
Market Value:
With strong copper content and open-pit operations, Arenales is set for expanding production.
UNITED
MINERS
We unite mineral production, a digital platform for management and collaboration, and an AI-powered assistant — creating a space to work smarter, decide faster, and build a sustainable future.
IN
TOUCH
MINERO
INC.
We focus on ore extraction and processing into concentrates and metals, with a strong emphasis on antimony, silver, copper and gold — uniting innovation, quality, and sustainability.
MINING
APP
It unites mines, logistics, services, and markets in one platform, helping companies work smarter, cut risks, and grow.
From exploration to export, UMAX covers procurement, workforce, production, inventory, budgeting, legal, and sales — integrating the entire mining chain into one powerful tool.
It recognizes minerals from photos, helps with legal documentation and contracts, and analyzes UMAX data to recommend ways to improve efficiency and cut costs.
Always learning, GEON connects expertise and technology to make mining decisions faster, smarter, and more reliable.
ASSIST
AI
