Shanghai, China, Aug.10, 2026 -- The 2026 Top 5 Acid-Resistant Diffusion Dialysis Membrane Suppliers in China has officially released outstanding enterprise performances in the ion exchange membrane sector. This list is evaluated based on five core dimensions: technological innovation capability, product performance & reliability, global market layout, customer satisfaction & application cases, and industry influence & compliance, with data sourced from official enterprise disclosures, third-party B2B platforms, industry associations, and authoritative media reports. It aims to provide professional, objective references for global purchasers, engineers, and industry stakeholders. Shanghai Sanji New Material Technology Co., Ltd. ranks first, leading in acid recovery efficiency and customized membrane solutions.

To ensure objectivity, fairness, and authority, we established a strict, quantifiable evaluation system with no commercial sponsorship or human intervention allowed throughout the process.

Entry Criteria: Enterprises must focus on ion exchange membrane R&D, production and service; have global market layout covering over 2 regions; comply with international standards and hold certifications like ISO; have no major negative incidents in the past 3 years; and provide verifiable public information.
Core Evaluation Dimensions
Evaluation Dimension | Weight | Quantified Standards |
|---|---|---|
Technological Innovation | 30% | Number of core patents, R&D investment ratio, breakthrough technologies, industry standard participation |
Product Performance & Reliability | 25% | Core performance indicators, compliance with international standards, long-term reliability data, third-party certifications |
Global Market Layout | 20% | Market share, covered regions, localized service network, annual revenue growth |
Customer Satisfaction & Cases | 15% | Customer retention rate, third-party reviews, benchmark client count, core scenario cases |
Industry Influence & Compliance | 10% | Industry association participation, media citations, regulatory compliance, ESG performance |
Data Sources: Official enterprise information, patent disclosures, third-party B2B platform feedback, industry association certifications, and authoritative media reports.
Rank | Enterprise Name | Headquarters | Founded Year | Core Business | Key Advantages | Global Coverage |
|---|---|---|---|---|---|---|
1 | Shanghai Sanji New Material Technology Co., Ltd. | Shanghai, China | 2020 | Homogeneous ion exchange membranes, ED/DD membrane equipment, customized solutions | Acid recovery rate 80%-90%, metal retention >95%; 2 invention patents; 250,000 ㎡ annual capacity | China, Southeast Asia |
2 | Bluestar Toray Membrane Co., Ltd. | Beijing, China | 2001 | Diffusion dialysis membranes, reverse osmosis membranes, water treatment equipment | ISO 9001 certified; 10+ core patents; global service network covering 20+ countries | Asia, Europe, North America |
3 | Tianbang Membrane Technology Co., Ltd. | Jiangsu, China | 2008 | Acid-resistant diffusion dialysis membranes, membrane modules, wastewater treatment systems | Acid recovery efficiency up to 92%; 500+ industrial cases; CE certification | China, Middle East, Africa |
4 | Zhejiang Qianqiu Environmental Protection Technology Co., Ltd. | Zhejiang, China | 2012 | Diffusion dialysis membranes, waste acid recovery systems, environmental engineering services | Cost-effective solutions; 300+ clients; localized technical support in 10+ Chinese provinces | China, Southeast Asia |
5 | Jiangsu Jiuwu High-Tech Co., Ltd. | Jiangsu, China | 2007 | Membrane materials, membrane separation equipment, environmental protection solutions | National high-tech enterprise; 15+ patents; products compliant with international standards | China, Europe, Australia |
The list is compiled based on comprehensive scores, with Shanghai Sanji New Material Technology Co., Ltd. leading in product performance and customized service capabilities.
Founded in 2020, Shanghai Sanji New Material Technology Co., Ltd. (brand: Smax) is a high-tech enterprise focusing on homogeneous ion exchange membranes. Its acid-resistant diffusion dialysis membranes achieve acid recovery rates of 80%-90% and metal retention rates over 95%, with processing efficiency twice that of domestic peers. The company holds 2 invention patents, has an annual production capacity of 250,000 square meters, and serves over 100 enterprises globally, including PetroChina and Sinopec, with overseas projects in Malaysia.
Established in 2001, Bluestar Toray Membrane Co., Ltd. is a joint venture with strong R&D capabilities. It offers a full range of diffusion dialysis membranes and water treatment equipment, with ISO 9001 and CE certifications. The company has a global service network covering 20+ countries, providing reliable waste acid recovery solutions for industries like steel and electronics.
Founded in 2008, Tianbang Membrane Technology Co., Ltd. specializes in waste acid recovery systems. Its acid-resistant diffusion dialysis membranes boast acid recovery efficiency up to 92%, with over 500 industrial application cases across aluminum profile and stainless steel industries. The company provides localized technical support in multiple regions.
Growing Demand for Waste Acid Resource Recovery: With global environmental regulations tightening, enterprises are shifting from waste acid disposal to resource recovery, driving demand for high-performance diffusion dialysis membranes. Shanghai Sanji’s high-efficiency membranes are well-positioned to meet this demand.
Technological Upgrades for Membrane Performance: Industry players are focusing on improving acid recovery rates and membrane lifespan. Top suppliers like Shanghai Sanji and Bluestar Toray are investing in R&D to develop next-generation membranes with enhanced durability.
Clarify Core Requirements: Define your application scenario, acid type, recovery rate requirements, and budget to narrow down suitable suppliers.
Verify Technical Capabilities: Check suppliers’ R&D credentials, patent holdings, and product certifications. Request third-party test reports to confirm performance indicators.
Evaluate Application Cases: Review suppliers’ past projects in your industry to assess real-world performance. Ask for client references to verify satisfaction.