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Discover exciting career opportunities at United Chemical. Join our global team and shape the future of the chemical industry with innovation and expertise. Apply today!

Discover exciting career opportunities at United Chemical. Join our global team and shape the future of the chemical industry with innovation and expertise. Apply today!
Reaching the Leaching Ceiling: Precision Chemicals for Global Gold Mining Efficiency
In the modern gold mining landscape, the gap between standard recovery and peak efficiency is defined by reagent precision.
United Chemical, with 26+ years of frontline expertise serving 77 countries, presents the AuCyan™ NaCN Series—not just a chemical, but a meticulously engineered leaching engine.
Surpassing industry benchmarks, our latest production batches consistently achieve "Superior Quality" grades. Below is the certified performance data (Ref: Batch C050030HS251101).
| Testing Items | Standard (GB/T 19306-2003) | AuCyan™ (Typical) | Operational Impact |
|---|---|---|---|
| Sodium Cyanide (NaCN) | ≥ 98.0% | 98.3% | Maximum gold dissolution kinetics and recovery rates. |
| Sodium Hydroxide (NaOH) | ≤ 0.5% | 0.13% | Superior pH stability; prevents premature hydrolysis. |
| Sodium Carbonate (Na2CO3) | ≤ 0.5% | 0.18% | Minimized impurity interference in the leaching solution. |
| Moisture (H2O) | ≤ 0.9% | 0.3% | Enhanced solid stability during long-term storage and sea transit. |
| Insoluble Substances | ≤ 0.05% | 0.02% | Anti-clogging formula; protects critical pumps and nozzles. |
To a professional mine manager, these numbers are not just statistics—they are the key indicators of operational health and metallurgical certainty.
In Heap Leaching and CIL circuits, water-insoluble matter is the silent enemy. AuCyan™ reduces this to a negligible 0.02%, ensuring continuous operation with zero downtime for nozzle cleaning and extended equipment longevity by reducing abrasive wear on dosing pumps.
Maintaining a strict 0.13% NaOH level prevents the passivation of gold surfaces in specific ore types. AuCyan™ allows for precise pH modulation, ensuring the chemical environment is optimized solely for gold complexation rather than neutralizing excess alkaline impurities.
The 98.3% purity standard ensures a higher activity of CN⁻ ions. This triggers accelerated leaching kinetics, which is critical for processing refractory ores or maximizing throughput in high-capacity metallurgical plants.

United Chemical delivers the certainty of profit through vertical integration. AuCyan™ is engineered to work in molecular harmony with our ecosystem:
✔AuCarb™ Activated Carbon: High-purity leaching creates a "cleaner" pregnant solution, allowing our high-hardness coconut shell carbon to adsorb gold with maximum efficiency and minimal pore interference.
✔AuLeach™ Eco-Reagents: For mines with strict environmental mandates, our reagents provide a hybrid path to sustainability without sacrificing recovery benchmarks.
| Type of Packaging | Loading Capacity (20’FCL / 40’FCL) |
|---|---|
| 50kg Iron Drum (Standard) | 18 MT / 26 MT |
| 50kg Iron Drum (with Tray/Pallet) | 13.5 MT / 25 MT |
| 1000kg Wooden Box | 20 MT / 26 MT |
| 1100kg Wooden Box | 22 MT / 26.4 MT |
ISO 9001, ISO 22716, cGMP Certified
Kosher & Halal Certified
Full Compliance with International Cyanide Management Code
MOQ: Consult our sea trade manager for specific route details.
Loading Ports: Shanghai, Ningbo, Guangzhou, Qingdao, Tianjin, Dalian, Xiamen, Lianyungang.
Delivery Time: 4-6 weeks (destination dependent).
We don't just sell chemicals; we deliver a "Second Command Center" for your site. With expert resident teams in Africa, SE Asia, and Central Asia, we provide the metallurgical experience of 200+ mining companies.
Contact Our Technical Group TodayHigh Hardness & Rapid Adsorption Activated Carbon for CIL/CIP Gold Extraction
The "Profit Guardian" for Gold Recovery. Engineered for Maximum Adsorption, Zero-Waste Hardness, and Superior CIL/CIP Performance.
In modern gold recovery (CIP/CIL), while Sodium Cyanide determines how much gold is dissolved, Activated Carbon determines how much gold is actually kept. AuCarb AC50 is not just a filter medium; it is a high-performance catalyst for your mine's profitability.
Sourced from high-altitude, aged coconut shells in Southeast Asia and processed via advanced steam activation, it solves the critical pain points of "carbon loss, low loading, and attrition".
Data Formula: High Iodine Adsorption + Extreme Hardness = Zero Loss Recovery
| Particle Size (6x12 mesh) | 98.3% Distribution | Apparent Density | 0.48 - 0.55 g/cc |
| Moisture Content | ≤ 5% | Carbon Content | Pure Coconut Shell Base |
In high-agitation tanks, carbon collisions are violent. A 1% increase in attrition is not just lost carbon—it's gold-loaded carbon escaping into waste. AuCarb AC50 maintains peak structural integrity.
Our carbon achieves an R-Value (Adsorption Kinetics) ≥ 50%. This means gold ions are "locked" instantly, preventing losses even during surge flows or fluctuating ore grades.
Uniform particle size (6x12 mesh) and low platelet levels ensure your inter-stage screens never clog, maintaining smooth pulp flow and preventing mechanical downtime.
+0.1-0.3g
Extra Gold Recovered per Ton
-20%
Carbon Consumption Reduction
95%+
Activity Recovery after Reactivation
Contact our global technical team for a full COA report or on-site sampling.
We don't just sell chemical parameters; we deliver 5-10 years of operational certainty.
WhatsApp: +86 173 9270 5576
AuLeach™ Series: The Revolutionary 1:1 Seamless Substitute for Sodium Cyanide, High-Recovery Green Mining Reagents: HS Code 3824999999
Revolutionizing gold extraction with a 1:1 seamless replacement for Sodium Cyanide.
Engineered for Profit, Certified for Safety, and Built for a Green Mining Future.
As global environmental regulations tighten, the "hidden costs" of Sodium Cyanide—including specialized transport, armed escorts, complex permitting, and high tailings treatment expenses—can severely erode your project's profitability.
"AuLeach™ is not just a reagent; it is an industrial-strength solution designed to reach the theoretical ceiling of gold extraction without the regulatory burden. It offers a 1:1 seamless substitute, allowing mines to bypass the 'Red Tape' of cyanide management while maintaining premium recovery rates."
Designed for "Drop-in Replacement." You do not need to modify existing CIP, CIL, or Heap Leaching infrastructure. Maintain your standard pH (10.5–11.5) and alkalinity controls while simply switching the reagent.
Field data from 77 countries shows AuLeach™ can shorten adsorption equilibrium time by 2–4 hours. This increases plant throughput and optimizes the efficiency of our AuCarb™ Activated Carbon.
Classified as a common chemical, AuLeach™ eliminates the need for armed escorts, hazardous storage bunkers, and complex environmental discharge permits. It is a "Common Cargo" for sea and rail.
Adjust pH to 11 ± 1 using lime or caustic soda. Stable alkalinity ensures the complex organic compounds in AuLeach™ stay active and prevents passivation of the gold surface.
Typical dosage: 0.5 - 1.0 kg per Ton of ore. The high selectivity of AuLeach™ reduces interference from harmful substances like arsenic and sulfur, stabilizing the recovery curve.
Unit Packaging: 25 KG/Bag
Material: PE Paper-Plastic Composite with internal moisture-proof film.
Security: Tamper-proof and heavy-duty for rugged transit.
| Container Type | Max Net Weight |
|---|---|
| 20' FCL | 26,000 KG (26 MT) |
| 40' FCL | 28,000 KG (28 MT) |
Born in the heart of China’s gold industry, we provide more than just reagents. We deliver a technical synergy where AuLeach™ (Leaching), AuCyan™ (Booster), and AuCarb™ (Adsorption) work in molecular harmony to secure an extra 2%-5% recovery gain for your mine.
Flexible working time / commission / remote work / travel expenses included
We are seeking a dynamic individual based in Indonesia to fill the role of a Flexible Customer and Supplier Relations Specialist. This position offers the flexibility to work on an as-needed basis, aligning with our project timelines and deal flow. As part of our team, you will be responsible for managing communications with customers and suppliers, conducting product quality assessments, and overseeing the smooth progression of operations.
1. Maintain effective communication with customers and suppliers, responding to inquiries and feedback promptly.
2. Conduct on-site visits across various locations in Indonesia to assess product quality and ensure compliance with standards.
3. Collaborate with internal teams to coordinate logistics, monitor shipments, and address any operational challenges.
4. Prepare detailed reports on quality assessments, propose enhancements, and suggest improvements to optimize product quality.
5. Act as a liaison between the company, customers, and suppliers to facilitate communication and resolve issues as they arise.
- Proficiency in Bahasa Indonesia and English (additional regional languages preferred).
- Strong interpersonal skills and the ability to cultivate positive relationships.
- Experience in quality control, supply chain management, or related fields is advantageous.
- Willingness to travel within Indonesia and work independently.
- Excellent organizational skills and attention to detail.
This position offers a flexible work schedule, allowing you to engage when deals are active. If you are a proactive individual with a commitment to customer satisfaction and product quality, we encourage you to apply for this role. Join us in delivering exceptional service and products to our valued customers in Indonesia.
Please send your resume and a cover letter detailing your relevant experience and why you are interested in this position to [echo@unitedcc.net].
Flexible working time / commission / remote work / travel expenses included
Job Description:
We are seeking a dynamic individual based in Thailand to fill the role of a Flexible Customer and Supplier Relations Specialist. This position offers the flexibility to work on an as-needed basis, aligning with our project timelines and deal flow. As part of our team, you will be responsible for managing communications with customers and suppliers, conducting product quality assessments, and overseeing the smooth progression of operations.
Key Responsibilities:
1. Maintain effective communication with customers and suppliers, responding to inquiries and feedback promptly.
2. Conduct on-site visits across various locations in Thailand to assess product quality and ensure compliance with standards.
3. Collaborate with internal teams to coordinate logistics, monitor shipments, and address any operational challenges.
4. Prepare detailed reports on quality assessments, propose enhancements, and suggest improvements to optimize product quality.
5. Act as a liaison between the company, customers, and suppliers to facilitate communication and resolve issues as they arise.
Qualifications:
- Proficiency in Thai and English (additional regional languages preferred).
- Strong interpersonal skills and the ability to cultivate positive relationships.
- Experience in quality control, supply chain management, or related fields is advantageous.
- Willingness to travel within Thailand and work independently.
- Excellent organizational skills and attention to detail.
This position offers a flexible work schedule, allowing you to engage when deals are active. If you are a proactive individual with a commitment to customer satisfaction and product quality, we encourage you to apply for this role. Join us in delivering exceptional service and products to our valued customers in Thailand.
How to Apply:
Please send your resume and a cover letter detailing your relevant experience and why you are interested in this position to [ echo@unitedcc.net ].
Flexible working time / commission / remote work / travel expenses included
Job Description:
We are searching for a dynamic individual based in Laos to take on the role of a Flexible Customer and Supplier Relations Specialist. This position offers flexibility to work on a project basis, aligning with our flow and operational requirements. As a valuable member of our team, you will be responsible for managing communications with customers and suppliers, conducting product quality assessments, and ensuring seamless operations.
Key Responsibilities:
1. Maintain effective communication with customers and suppliers, promptly addressing inquiries and feedback.
2. Conduct on-site visits to various locations in Laos to evaluate product quality, ensure compliance with standards, and provide comprehensive reports.
3. Collaborate with internal teams to manage logistics, monitor shipments, and address operational challenges.
4. Prepare detailed quality assessment reports, propose enhancements, and recommend strategies to improve product quality.
5. Act as a key liaison between the company, customers, and suppliers to facilitate communication, resolve issues, and ensure smooth operations.
Qualifications:
- Proficiency in English is required, with knowledge of local Lao languages considered a plus.
- Strong interpersonal skills and the ability to establish positive relationships with customers and suppliers.
- Previous experience in quality control, supply chain management, or related fields is advantageous.
- Willingness to travel within Laos as needed and the ability to work autonomously.
- Exceptional attention to detail and a dedication to providing excellent service.
Additional Information:
This role offers a flexible work schedule, allowing you to engage when there are active projects. If you are a proactive individual committed to customer satisfaction and product quality, we encourage you to apply for this position. Join us in delivering outstanding service and products to our valued customers in Laos.
Job Title: Flexible Customer and Supplier Relations Specialist (Location - Myanmar)
ကျွန်တော်တို့ဟာ မြန်မာနိုင်ငံမှာ အခြေချထားတဲ့ လှုပ်ရှားမှုရှိတဲ့ ပုဂ္ဂိုလ်တစ်ယောက်ကို ရှာဖွေနေပါတယ်။ ဤအနေအထားက ကျွန်ုပ်တို့၏စီးဆင်းမှုနှင့် လုပ်ငန်းဆောင်တာလိုအပ်ချက်များနှင့် ကိုက်ညီစေသည့် စီမံကိန်းအခြေခံအားဖြင့် ပြောင်းသာလွှဲသာရှိစေသည်။ ကျွန်ုပ် တို့ အသင်း ၏ အဖိုးတန် အဖွဲ့ဝင် တစ် ဦး အနေဖြင့် ၊ သင် သည် ဖောက်သည် များ နှင့် ထောက်ပံ့ သူ များ နှင့် ဆက်သွယ်ရေး ကို စီမံ ခန့်ခွဲ ခြင်း ၊ ထုတ်ကုန် အရည်အသွေး အကဲဖြတ် မှု များ ကို ဆောင်ရွက် ခြင်း ၊ နှင့် ပိတ်ဆို့ မှု မ ရှိ သော လုပ်ငန်းစဉ် များ သေချာ စေရန် တာဝန် ရှိ လိမ့်မည် ။
We are looking for an active person based in Myanmar. This position allows flexibility on a project basis to meet our flow and operational needs. As a valuable member of our team, You manage communications with customers and suppliers. Conducting product quality evaluations; and will be responsible for ensuring that the process is free of bottlenecks.
အဓိကတာဝန်များ -
၁။ ဖောက်သည်တွေနဲ့ ထောက်ပံ့ပေးသူတွေနဲ့ ထိရောက်တဲ့ ဆက်သွယ်မှုကို ဆက်ထိန်းထားပါ။ စုံစမ်းမေးမြန်းမှုတွေနဲ့ တုံ့ပြန်မှုတွေကို ချက်ချင်းဖြေရှင်းပေးပါ။
. ကုန်ပစ္စည်းအရည်အသွေးကို အကဲဖြတ်ရန်၊ စံနှုန်းများကို လိုက်နာရန် သေချာစေရန်နှင့် ကျယ်ကျယ်ပြန့်ပြန့် အစီရင်ခံစာများပေးရန် မြန်မာနိုင်ငံရှိ နေရာအသီးသီးသို့ သွားရောက်လည်ပတ်ခြင်း။
၃။ ပြည်တွင်းအဖွဲ့တွေနဲ့ ပူးပေါင်းပြီး ကုန်ပစ္စည်းတွေကို စီမံခန့်ခွဲဖို့၊ ကုန်တင်ပို့မှုတွေကို စောင့်ကြည့်ဖို့နဲ့ လုပ်ငန်းစိန်ခေါ်ချက်တွေကို ကိုင်တွယ်ဖြေရှင်းဖို့ပါ။
၄။ အရည်အသွေးအသေးစိတ် အကဲဖြတ်မှတ်တမ်းများကိုပြင်ဆင်ပါ၊ တိုးမြှင့်ပေးရန် အဆိုပြုပြီး ထုတ်ကုန်အရည်အသွေး တိုးတက်စေရန် နည်းဗျူဟာများကို အကြံပြုပါ။
၅။ ကုမ္ပဏီ၊ ဖောက်သည်များနှင့် ထောက်ပံ့ပေးသူများစပ်ကြား အဓိကဆက်သွယ်မှုတစ်ခုအနေနှင့် အက်ဥပဒေအနေနှင့် ဆက်သွယ်ရေးလွယ်ကူစေရန်၊ ပြဿနာများကိုဖြေရှင်းရန်နှင့် ချောမွေ့သောလုပ်ငန်းများကို သေချာစေရန် ကုမ္ပဏီ၊ ဖောက်သည်များနှင့် ထောက်ပံ့ပေးသူများစပ်ကြား အဓိကဆက်သွယ်မှုတစ်ခုအဖြစ် လုပ်ဆောင်ပါ။
Key Responsibilities:
1. Maintain effective communication with customers and suppliers. Respond promptly to inquiries and responses.
. to evaluate product quality; Visiting various locations in Myanmar to ensure adherence to standards and provide comprehensive reports.
3. Collaborate with local teams to manage products; To monitor shipments and address business challenges.
4. Prepare detailed quality assessment records; Propose enhancements and suggest strategies to improve product quality.
5. the company, Act as a key link between customers and suppliers to facilitate communication; Company to resolve issues and ensure smooth operations. Act as a primary liaison between customers and suppliers.
အရည်အချင်းများ -
- အင်္ဂလိပ်ဘာသာစကားဖြင့် ကျွမ်းကျင်မှုလိုအပ်သည်။ ဒေသခံမြန်မာဘာသာစကားများ၏ အသိပညာဖြင့် ခိုင်မာသော အပြန်အလှန် ကျွမ်းကျင်မှုများနှင့် ဖောက်သည်များနှင့် ထောက်ပံ့ပေးသူများနှင့် အပြုသဘောဆောင်သော ဆက်ဆံရေးများ တည်ဆောက်နိုင်စွမ်းရှိသည်ဟု ယူဆကြသည်။
- အရည်အသွေးထိန်းချုပ်မှု၊ ထောက်ပံ့ရေးဆက်သွယ်ရေး စီမံခန့်ခွဲမှု ဒါမှမဟုတ် ဆက်စပ်နေတဲ့ လယ်ကွင်းတွေမှာ အရင်တွေ့ကြုံမှုက အကျိုးရှိပါတယ်။
- လိုအပ်သလို မြန်မာနိုင်ငံအတွင်းမှာ ခရီးသွားဖို့ တလိုတလားရှိခြင်းနဲ့ အလိုအလျောက် အလုပ်လုပ်နိုင်စွမ်း။
- အသေးစိတ်အချက်အလက်တွေကို အထူးဂရုစိုက်ပြီး ကောင်းမွန်တဲ့ ဝန်ဆောင်မှုတွေ ထောက်ပံ့ပေးဖို့ ဆက်ကပ်အပ်နှံမှု။
ဤအခန်းကဏ္ဍက ပြောင်းသာလဲသာရှိသော အလုပ်ဇယားတစ်ခုဖြစ်ပြီး တက်ကြွလှုပ်ရှားသော စီမံကိန်းများရှိသည့်အခါ စေ့စပ်စေသည်။ အကယ်၍ သင်သည် ဖောက်သည်များ ကျေနပ်မှုနှင့် ကုန်ပစ္စည်းအရည်အသွေးအတွက် ကတိပြုထားသော တက်ကြွလှုပ်ရှားသူတစ်ဦးဖြစ်မည်ဆိုလျှင် ဤရာထူးအတွက် လျှောက်လွှာတင်ရန် သင့်အားပေးပါသည်။ မြန်မာနိုင်ငံမှာ တန်ဖိုးရှိတဲ့ ဖောက်သည်တွေကို ထူးခြားတဲ့ ဝန်ဆောင်မှုနဲ့ ထုတ်ကုန်တွေ ပေးပို့ရာမှာ ကျွန်တော်တို့နဲ့ ပူးပေါင်းပါ။
Qualifications -
- Proficiency in the English language is required. Strong interpersonal skills with knowledge of local Burmese languages and the ability to build positive relationships with customers and suppliers are considered.
- Quality control; Prior experience in supply chain management or related field is beneficial.
- Willingness to travel within Myanmar as needed and ability to work independently.
- Attention to detail and dedication to providing excellent service.
This role has a flexible work schedule and is engaged when there are active projects. If you are an activist committed to customer satisfaction and product quality, we encourage you to apply for this position. Join us in delivering exceptional services and products to our valued customers in Myanmar.
Flexible working time / commission / remote work / travel expenses included
We are seeking a dynamic individual located in Nigeria to fill the position of a Flexible Customer and Supplier Relations Specialist. This role offers flexibility to work on a project-by-project basis, aligning with our deal flow and operational requirements. As a key member of our team, you will be responsible for managing communications with customers and suppliers, conducting product quality assessments, and ensuring the smooth running of operations.
Key Responsibilities:
1. Maintain effective and timely communication with customers and suppliers, addressing inquiries and feedback promptly.
2. Conduct on-site visits to various locations in Nigeria to assess product quality, verify compliance with standards, and provide detailed reports.
3. Collaborate with internal teams to coordinate logistics, monitor shipments, and troubleshoot operational challenges.
4. Prepare comprehensive reports on quality assessments, propose improvements, and recommend strategies to enhance product quality.
5. Serve as a liaison between the company, customers, and suppliers to facilitate communication, address any issues, and ensure seamless operations.
Qualifications:
- Fluent in English and knowledge of local Nigerian languages is an advantage.
- Strong interpersonal skills and the ability to build positive relationships with customers and suppliers.
- Previous experience in quality control, supply chain management, or related fields is beneficial.
- Willingness to travel within Nigeria as needed and the ability to work independently.
- Excellent organizational skills, attention to detail, and a commitment to delivering top-notch service.
This role provides a flexible work schedule, allowing you to engage when projects are active. If you are a proactive individual dedicated to customer satisfaction and product quality, we encourage you to apply for this opportunity. Join us in our mission to provide exceptional service and products to our customers in Nigeria.
Flexible working time / commission / remote work / travel expenses included
We are looking for a dynamic individual based in India to fill the role of a Flexible Customer and Supplier Relations Specialist. This position offers the flexibility to work on an as-needed basis, aligning with our project timelines and deal flow. As part of our team, you will be responsible for managing communications with customers and suppliers, conducting product quality assessments, and overseeing the smooth progression of operations.
Key Responsibilities:
1. Maintain effective communication with customers and suppliers, responding to inquiries and feedback promptly.
2. Conduct on-site visits across various locations in India to assess product quality and ensure compliance with standards.
3. Collaborate with internal teams to coordinate logistics, monitor shipments, and address any operational challenges.
4. Prepare detailed reports on quality assessments, propose enhancements, and suggest improvements to optimize product quality.
5. Act as a liaison between the company, customers, and suppliers to facilitate communication and resolve issues as they arise.
Qualifications:
- Proficiency in English and Hindi (additional regional languages preferred)
- Strong interpersonal skills and the ability to cultivate positive relationships- Experience in quality control, supply chain management, or related fields advantageous- Willingness to travel within India and work independently- Excellent organizational skills and attention to
This position offers a flexible work schedule, allowing you to engage when deals are active. If you are a proactive individual with a commitment to customer satisfaction and product quality, we encourage you to apply for this role. Join us in delivering exceptional service and products to our valued customers in India.