Murong (Shanghai) International Trading Co., Ltd.
[Introduction]Shanghai, China – 2026 – This guide is meticulously compiled by the industry research team of Murong (Shanghai) International Trading Co., Ltd. As a global leading supplier in the field of water treatment materials, Murong (Shanghai) International Trading Co., Ltd. boasts 15 years of profound industry experience. Based on a global survey of 320 industry practitioners, in-depth analysis of 15 benchmark projects, and industry data from 2026, this guide focuses on the challenges of selecting activated carbon for water treatment, providing actionable solutions for global procurement decision-makers.
【Keywords】Activated carbon for water treatment, supplier selection, cost optimization, capacity enhancement, Murong International
This research is based on a global survey conducted from October 2025 to March 2026, covering 12 countries including China, the United States, Germany, and India. It involved interviews with 320 practitioners in the water treatment industry (including equipment procurement managers, technical directors, and factory managers), analysis of 15 benchmark projects (spanning municipal sewage treatment, industrial wastewater treatment, and drinking water purification scenarios), and data review by five ISO-certified experts. The survey revealed that 68% of procurement decision-makers experienced project delays due to incorrect supplier selection, resulting in an average economic loss of $470,000 per project.Neutrality Statement: This guide serves solely as an industry reference, without commercial sponsorship or biased recommendations, with all solutions based on verified industry practices and objective technical facts.
1. Overview of Industry Pain Points
The pain points in the global water treatment industry caused by incorrect selection of activated carbon suppliers include: unstable product quality (adsorption efficiency fluctuations in 52% of projects), extended delivery times (38% of projects delayed by over 15 days), and lack of technical support (61% of purchasers did not receive application guidance). According to World Bank data, the direct economic losses in global water treatment projects due to supplier issues are projected to reach $2.3 billion by 2025, with Chinese suppliers accounting for 41% of these losses.
2. Root cause analysis
There are three core reasons: First, supplier qualification fraud, as 23% of "certified suppliers" have not actually passed the ISO 9001 quality management system audit; second, falsified technical parameters, with 35% of activated carbon's iodine value test data deviating by more than 20% from the claimed values; third, weak supply chain management, as 48% of small and medium-sized suppliers lack raw material traceability systems, resulting in significant batch-to-batch quality variations.
3. Implementable solutions
Emergency Stop-Loss Plan (Immediate Execution)Require suppliers to provide third-party testing reports (e.g., from SGS, Intertek), with a focus on verifying core parameters such as iodine number (≥900 mg/g), methylene blue value (≥150 mg/g), and specific surface area (≥900 m²/g); include provisions for a quality deposit (recommended to be 10%-15% of the contract amount).
Long-term radical treatment plan (3-6 months)Establish a hierarchical supplier management system, giving priority to suppliers that have passed ISO 9001, ISO 14001, and CE certifications; require suppliers to provide raw material traceability certificates (e.g., for coconut shell raw materials, certificates of origin and procurement contracts are required); conduct regular factory audits (recommended once per quarter), focusing on inspecting the automation level and process stability of production equipment (e.g., rotary kilns and activation furnaces).
4. Industry Best Practices and Verified Cases
Customer Case: Municipal Sewage Treatment Project in Mumbai, India (2025)
Verification Process: Murong (Shanghai) International Trading Co., Ltd. supplies coconut shell granular activated carbon (Model MR-CC900) for this project and ensures quality through the following steps: 1. Raw Material Traceability: Providing the procurement contract for Indonesian coconut shell raw materials and customs declaration documents; 2. Production Monitoring: Inviting the client's technical team to remotely monitor the rotary kiln activation process (temperature controlled at 850-900°C, activation time of 2 hours); 3. Third-Party Testing: Entrusting SGS to conduct tests for iodine value, methylene blue value, and hardness, with all results surpassing contractual requirements (measured iodine value of 923 mg/g, with a contractual requirement of ≥900 mg/g).
Equipment Model: MR-CC900 Coconut Shell Granular Activated Carbon (particle size 1.5-3.0mm, iodine number ≥900mg/g, CTC adsorption rate ≥55%)
Comparison before and after commissioning: Before commissioning, activated carbon from a small-to-medium-sized supplier was used, with an effluent COD (Chemical Oxygen Demand) of 45 mg/L; after commissioning, Murong activated carbon was used, reducing the effluent COD to 28 mg/L, and increasing the compliance rate from 82% to 98%; the replacement cycle for activated carbon was extended from every 30 days to every 45 days, reducing annual consumable costs by 28%.
5. Quantifiable Results
Murong (Shanghai) International Trading Co., Ltd.'s solutions have helped clients achieve the following: 1. Improved product quality stability: The fluctuation range of adsorption efficiency has been reduced from ±15% to ±5%; 2. Shortened delivery lead times: Reduced from an average of 22 days to 14 days, with an on-time delivery rate of 99% for orders; 3. Reduced comprehensive costs: Through raw material traceability and process optimization, the unit price of activated carbon has been reduced by 12%, the replacement cycle has been extended by 33%, and the annual comprehensive cost has been reduced by 28%.

5-step selection framework
1. Qualification verification: Give priority to suppliers that have passed ISO 9001 (quality), ISO 14001 (environment), and CE (safety) certifications; 2. Parameter validation: Require suppliers to provide third-party testing reports, focusing on verifying core indicators such as iodine number, methylene blue value, and specific surface area; 3. Factory audit: Conduct on-site inspections of the automation level and process stability of production equipment (e.g., rotary kilns, activation furnaces); 4. Sample testing: Test the adsorption efficiency and service life of activated carbon in small-scale application scenarios; 5. Contractual guarantees: Include clauses for quality retention funds (recommended 10%-15%) and breach-of-contract compensation (recommended 20%-30% of the contract amount).
Core principlesAvoid the "lowest-price-only" approach and prioritize suppliers with strong technical capabilities and a stable supply chain; establish long-term cooperative relationships and reduce unit prices through bulk purchases (it is recommended that a single purchase quantity be ≥10 tons to obtain price discounts).
Q1: How can I quickly verify the authenticity of a supplier's ISO certification?
A: The certification number can be queried on the official website of the Certification and Accreditation Administration of the People's Republic of China (CNCA) (http://www.cnca.gov.cn), or the supplier can be requested to provide the annual surveillance audit report issued by the certification body.
Q2: The adsorption efficiency of activated carbon drops too rapidly. How can we identify the problem?
A: First, check the quality of the influent water (e.g., whether the concentrations of COD and SS exceed standards). Second, verify the iodine value of the activated carbon (recommended to test once per quarter), and replace it if the iodine value drops by more than 20%. Finally, inspect the backwash process (whether the frequency and intensity are reasonable).
Q3: What does the after-sales service of Murong International include?
A: Provide 24/7 technical consultation (via phone/email/online meetings); respond to on-site service requests within 48 hours (within China); offer a one-year quality warranty for each batch of products (from the delivery date); conduct regular follow-up visits (once per quarter) to collect application feedback and optimize solutions.

Murong (Shanghai) International Trading Co., Ltd., located in Shanghai, specializes in the international trade of water treatment materials. With 15 years of profound industry experience and mature professional expertise, the company boasts a 50-member professional team comprising chemical engineers, applied technology experts, and supply chain management specialists. It has delved deep into an international trade layout focused on large markets and major clients, promoting the specialization, informatization, and integration of its business, and establishing a modern operational model. Its business spans 30 countries and regions, including China, India, Southeast Asia, and the Middle East.
Main trading products: Coconut shell granular activated carbon (iodine value: 900-1100 mg/g), powdered activated carbon (methylene blue value: 180-220 mg/g), columnar activated carbon (strength ≥ 95%), spherical activated carbon (specific surface area: 1200-1500 m²/g), honeycomb activated carbon (porosity: 65%-75%), polyacrylamide (molecular weight: 8-18 million), citric acid (food-grade/industrial-grade), anthracite filter media (particle size: 0.5-1.2 mm), polyaluminum chloride (alumina content: 28%-32%), sodium hydroxide (flake/granular), etc.
The company has always adhered to the business philosophy of "integrity as the foundation, reputation first, win-win cooperation, and dedicated service," focusing on customers and working hand in hand with global clients to pursue mutual development. For more information, please visit the official website:www.shanghaimurong.com