Founded in 1997, Bolian is a global leading manufacturer and service provider of filtration materials and diaphragm fabrics. We integrate R&D and design, manufacturing, sales, and services into a one-stop solution.
With decades of technical expertise and industry experience, Bolian has innovated multiple pioneering technologies and developed high-quality filtration products. Based on process requirements and filter media characteristics, our products are successfully applied in mining, metallurgy, chemical, food, and other industries, helping global users achieve their filtration goals.
For over 30 years, Bolian has been supplying cloths for Larox, Roxia, Pneumapress, and various domestic vertical filter presses.
High strength and low elongation, with elongation controlled within 1%.
Ultra-fine filtration accuracy up to 1 μm.
FDA food-grade certified, ensuring both optimal filtration performance and safe use.
Widely used in copper, aluminum, nickel, iron concentrates, lead-zinc, manganese, and other mineral processing projects, including tailings treatment and slag filtration.
Single width up to 4.8 meters.
Double-layer monofilament structure with high mechanical strength and better filtration efficiency.
Smooth surface for easier cake discharge.
FDA food-grade certified, ensuring both performance and safety.
Applied in non-ferrous metallurgy, ore beneficiation, chemical, and environmental protection filtration processes.
Customizable designs, including barrel neck, recessed and hanging styles.
Made from various materials with strong chemical resistance.
Filter cake moisture content below 10%, reducing operation and maintenance costs.
FDA food-grade certified for safe and efficient use.
Ideal for non-ferrous metallurgy, mineral processing, chemical, and environmental protection industries.
Triple-layer weave with excellent density and support.
Mark-free surface, easy to clean, with good sheet release.
High paper-forming performance, strong pulp retention, and excellent dewatering capacity.
Applications: Suitable for producing 11–15 g/m² tissue paper (toilet paper, napkins, etc.). Compatible with Shanghai Qingliang papermaking machines, “crescent former” paper machines, and PMP paper machines.
High filtration precision with superior filtrate quality to meet demanding processes.
Excellent cake discharge performance, improving productivity.
Heat-set treatment ensures stable fabric dimensions.