Hollow Fiber UF Membrane Modules: Inside a 5 Million m² Production Base

Every water treatment project lives or dies on what happens inside the membrane housing. Buyers comparing ultrafiltration modules look at three numbers first: flux stability, fouling resistance, and how consistently the supplier can repeat the same performance across thousands of elements. Shandong Jinyu Membrane Technology Development Co., Ltd. was built to answer all three at once — a new-generation membrane manufacturer combining university-level materials research with fully automated production lines in one of China's most concentrated new-materials industrial parks.

Founded in May 2025 with registered capital of RMB 30 million, the company operates from the Canal Economic Development Zone New Materials Industrial Park in Rencheng District, Jining, Shandong. Its portfolio spans the full separation spectrum: reverse osmosis (RO), nanofiltration (NF), ultrafiltration (UF), and column-style membrane modules, with an annual production capacity exceeding 5 million square meters of high-performance membrane products.

One Supplier, the Full Separation Spectrum

System integrators and distributors rarely buy a single membrane type. A typical plant train runs pretreatment, primary separation, and polishing stages side by side. Jinyu Membrane supplies every stage from one source:

Reverse osmosis membranes for desalination, boiler feedwater, and high-purity industrial water.

Nanofiltration membranes for selective ion separation, water softening, and material concentration where divalent salts must be rejected while monovalent ions pass.

Ultrafiltration membranes for particle and colloid removal ahead of RO, wastewater reuse, and drinking water upgrading.

Column-style UF modules in the UF-200, UF-250, UF-2860, and UF-2880 formats, matching the housing dimensions and flow capacities most commonly specified in municipal and industrial projects.

For buyers, that breadth simplifies qualification. One audit, one datasheet package, one logistics channel — and a single technical contact accountable across the whole membrane train.

What the Product Photos Show

The hollow fiber UF modules are built as curtain-style bundles: thousands of fine capillary fibers suspended vertically between molded resin headers, each bundle held in a rigid frame. The format is deliberate. Vertical suspension keeps the fiber curtain fully exposed to feed flow, allows air-scour cleaning to shake foulants loose evenly across the whole bundle, and supports backwash cycles without fiber bunching or dead zones. The fibers are visibly uniform in diameter and color, a direct indicator of controlled spinning and consistent pore structure.

The production floor photos tell the same story: stainless steel bundling stations, membrane casting equipment handling wide flat-sheet rolls, and rows of UF fiber bundles hanging in a clean, controlled workshop before potting and assembly. This is not batch-scale assembly. It is a line designed for repeatable, high-volume output.

Manufacturing Built for Repeatability

Membrane performance is a manufacturing problem as much as a chemistry problem. Small variations in casting speed, bath temperature, or humidity shift pore size — and pore size drives rejection rate and flux. Jinyu Membrane's answer is full automation: casting lines, bundling stations, and inspection equipment operate under standardized parameters, with high-end testing instruments checking output at each stage.

The result is what distributors need most: consistency across batches and reliable delivery for large project orders. With output capacity above 5 million square meters per year and a standardized intelligent production line, the company can commit to multi-container schedules that smaller workshops cannot sustain.

Research Depth Behind the Product

The company was jointly established by experienced industry partners and draws on the technical foundation of a Tsinghua University doctoral team and leading research institutions. That backing matters in a category where the real differentiators are low energy consumption, high flux, and strong fouling resistance — properties that come from formulation and process control, not marketing.

Certifications and credentials include ISO 9001 quality management, ISO 14001 environmental management, and ISO 45001 occupational health and safety certification; multiple invention patents and utility model patents; drinking water safety and hygiene permits; membership in the China Membrane Industry Association; and recognition as a key cultivated enterprise in Shandong's new materials sector. National High-Tech Enterprise status and Eco-Environmental Equipment Manufacturing compliance are in application.

Where These Membranes Go

Municipal water supply — deep purification of drinking water and upgrades to existing water treatment plants.

Industrial water treatment — boiler make-up water, electronic-grade ultrapure water, and process water for food and pharmaceutical production.

Wastewater reuse — industrial park recycling loops, municipal reclaimed water, and treatment of mine drainage and coking wastewater.

Specialty separation — seawater and brackish water desalination, material concentration, and salt fractionation.

Environmental engineering — zero liquid discharge (ZLD) systems, membrane pretreatment, and final-stage polishing.

The showroom installation shown in the photos reflects exactly these four pillars: ecological water treatment, industrial water recycling, and zero liquid discharge, mapped into a single membrane portfolio.

Industry Context: Why Buyers Are Re-qualifying Suppliers

Water scarcity regulation, tightening discharge limits, and the energy cost of pumping are pushing plant owners toward membranes with lower operating pressure and longer cleaning intervals. Membrane replacement cycles are shortening in industrial parks across Asia, the Middle East, and Latin America, and EPC contractors increasingly prefer suppliers who can match module dimensions, provide stable quality documentation, and support system design rather than simply ship elements.

Jinyu Membrane's integrated model — research, design, production, installation, and operations support — is aimed at that shift. For distributors, this means a partner who can back them on technical tenders. For OEMs, it means custom development and private-label supply supported by an in-house engineering team.

Partner With Jinyu Membrane

The company is actively building international channels across Southeast Asia, the Middle East, Africa, and Latin America, and welcomes distributors, system integrators, EPC contractors, and OEM buyers to request product datasheets, samples, and factory audits.

Contact:
Company: Shandong Jinyu Membrane Technology Development Co., Ltd.
Address: No. 7 Chenning Road, Canal Economic Development Zone New Materials Industrial Park, Rencheng District, Jining, Shandong, China
Contact person: Zhang Xiansheng
Phone: 15166370751
Landline: 0537-2367869
WhatsApp / Skype: +85261468121
Website: www.jinyu-membrane.com

Send your project parameters — feed water quality, target flow, and module footprint — and the technical team will respond with a matching membrane configuration and documentation package.