Next-Generation Heavy Metallurgy Solutions

High-Quality Slitter And Longitudinal Cutting Lines Manufacturers & Supplier

Setting the standard in high-yield steel processing with micron-level rotary shear slitting, intelligent servo looping, and integrated automated recoiling ecosystems.

Primary Product Lineup

Featured Slitting & Longitudinal Cut Systems

Engineered for high tensile strength, minimal burr thresholds, and relentless industrial uptime across automotive, infrastructure, and appliance sectors.

CE Certification Cut to Length Line
Precision Cut

CE Certified Cut to Length Line

Meets strict European Union CE directives for mechanical precision, stress-relief leveling, and dynamic synchronized cutting.

Explore System
China Slitting Line Manufacturer
Slitting Solutions

Standard Precision Slitting Line

Heavy-duty rotary slitting arbor configuration with rapid tool-change setups designed for high-speed continuous longitudinal shearing.

Explore System
Flying Shear Line
Dynamic Shearing

High-Velocity Flying Shear Line

Real-time synchronized shearing architecture capable of high-output sheet processing without interrupting continuous line feed.

Explore System
High Strength Leveling Machine
Plate Prep

High Strength Leveling Machine

Multi-roll corrective leveler delivering severe plastic deformation control to eliminate coil set, edge wave, and cross bow.

Explore System
Straightening Machine
Straightening

Professional Straightening Machine

Precision multi-axis roll cassette configuration engineered to relieve internal residual stresses prior to stamping operations.

Explore System
Hot Rolled Plate Moving Shear Line
Heavy Plate

HR Moving Shear Production Line

Constructed specifically for structural heavy-gauge steel strips, featuring heavy shock-absorbing shear frames and guides.

Explore System
Stainless Steel Coil Line
Surface Sensitive

Stainless Steel Shearing Line

Non-marking polyurethane pinch rolls, paper interleaving, and gentle vacuum stacking mechanisms for mirror-finish alloys.

Explore System
Combined Slitting and CTL Line
Hybrid Architecture

Combined Slit & Cut-to-Length Line

Unifies longitudinal cutting and cross-cutting into a single space-saving envelope, drastically decreasing total handling overhead.

Explore System
Industrial Status Quo

The Global Commercial & Metallurgy Landscape

Modern slitter and longitudinal cutting line manufacturers operate in a transitional era where traditional carbon steels coexist with ultra-high-strength automotive steels (AHSS) and exotic light alloys.

High-Yield AHSS Processing

Modern metallurgy requires longitudinal cutting lines capable of maintaining knife clearance stability against materials exceeding 1200 MPa yield strengths without arbor deflection.

Closed-Loop Servo Tensioning

Digital differential back-tension units and vacuum roll tension stands safeguard coated, pre-painted, and polished surface skins from scuffing during multi-strand recoiling.

Global Supply Chain Economics

Steel service centers prioritize quick knife tooling changeovers (dual rotating heads or automated robotic shims) to handle shorter batch runs economically with lower setup labor.

Engineering Authority

Technical Architecture: Comparative Line Selection

Selecting between specialized longitudinal slitting, static cut-to-length, and dynamic flying shear setups requires an in-depth understanding of kinematics, line stresses, and customer end-use.

Evaluation Parameter Rotary Longitudinal Slitter Stop-Start Cut to Length Line Continuous Flying Shear System
Primary Output Multiple custom-width recoiled strips Flat dimensioned sheets / heavy plates High-throughput dimensioned sheet bundles
Shearing Mechanism Rotary disk cutters on parallel dual arbors Hydraulic/mechanical transverse guillotine High-speed synchronized traveling die / rotary drum
Strip Dynamic at Cut Continuous velocity (up to 200 m/min) Intermittent stop-and-go feed cycle Non-stop synchronized continuous web feed
Typical Applications Tube mills, roll-formers, motor laminations Fabrication plates, electrical cabinet panels Automotive blanks, mass structural sheet distribution
Critical Engineering Metrics Arbor runout (<0.003mm), burr control, recoil tension Length repeatability (±0.2mm), inter-roll leveling depth Axis synchronization speed, blade overlap calibration
Authority & Capability

Four Decades of Heavy Engineering Legacy

Wuxi Jianfa Machine-Building Co., Ltd. has delivered precision metallurgical machinery since the early 1980s. Operating as a National Key Developing Enterprise, we anchor all manufacturing within our integrated Wuxi base.

40+
Years Engineering

Continuous technical refinement in longitudinal cutting and leveling equipment.

40k
m² Floor Area

State-of-the-art heavy floor borers, precision gantry mills, and testing facilities.

45M
RMB Capitalization

Financial stability assuring multi-line global turnkey projects from order to commission.

30+
Global Export Markets

Successfully running lines across North America, Europe, Asia, and Latin America.

Turnkey Integration

Macro Industrial Solutions & Factory Integration

Solving down-time bottlenecks, scrap waste handling, and knife gap tolerances for complex processing sectors worldwide.

Automotive Stamping Sub-Lines

Configured with high-resolution edge trimming, automated scrap balers or oscillating scrap winders, electrostatic oilers, and vacuum non-marking stacking units.

Tube & Pipe Mill Pre-Slitting

High-speed slitting arbors with fast-lock hydraulic nuts that optimize continuous slitting runs, minimizing coil-to-coil downtime for induction tube welding feeds.

Silicon Steel & Transformer Cores

High-precision carbide rotary cutters mounted on ultra-stiff eccentric arbors, ensuring zero thermal alteration and burr levels beneath 0.01mm for magnetic sheets.

Future Architecture

Technology Roadmap: Industry 4.0 in Longitudinal Shearing

Next-generation slitter and longitudinal lines move beyond raw hydraulic power into interconnected smart manufacturing environments.

Automated Robotic Tooling (ART)

Deployment of vision-guided pick-and-place robots that automatically stage knives, strippers, and spacers onto off-line arbors, reducing changeovers to under 5 minutes.

Predictive AI Burr Detection

High-speed line cameras equipped with edge computing algorithms measure real-time shear burr and edge distortion, alerting operators when knives require scheduled regrinding.

Energy-Regenerative Drive Trains

Common DC-bus configurations routing the dynamic braking kinetic energy from the payoff and tensioning reels directly into the primary slitter and recoiler drive motors.

Knowledge Center

Frequently Asked Questions

Technical clarifications from our metallurgical engineers on line configuration, maintenance parameters, and operational safety.

What coil processing equipment does Wuxi Jianfa manufacture?
We manufacture complete, integrated coil processing systems: high-precision longitudinal slitting lines (rotary shear lines), cut to length lines, high-speed flying shear production lines, 4-high and 6-high leveling machines, multi-roll plate straightening machines, and continuous hot-dip galvanizing lines. Equipment can be commissioned as turnkey greenfield lines or supplied as modular components to retrofit existing infrastructure.
Which materials can your slitting and cut to length lines process?
Our lines process hot-rolled structural steel, pickled and oiled steel, cold-rolled sheets, galvanized carbon steel, tinplate, silicon electrical steel, austenitic and ferritic stainless steel grades, and aluminum alloys. Every line is custom engineered based on maximum thickness (up to 25mm), master coil width (up to 2200mm), and specific tensile/yield properties.
How do I choose between a slitting line, a cut to length line and a flying shear line?
Choose a slitting line when your end process requires smaller slit widths wound into individual coils (for tube production, stamping presses, or cold-roll profiling). Choose a cut to length line when you require flat, de-stressed rectangular sheets or heavy plates neatly palletized. Choose a flying shear line when sheet throughput volume is the core benchmark, as the synchronized moving shear cuts while the strip progresses continuously at speeds up to 80-120 m/min.
What technical metrics are essential to provide for an accurate engineering proposal?
Key engineering parameters required include: Material grade and ultimate yield strength (MPa), coil thickness range (min-max mm), incoming coil width range (mm), maximum outer/inner diameter and maximum coil weight (metric tons), target slit widths and count (for slitter lines) or sheet length parameters and tolerances (for CTL lines), target line velocity, and plant electrical requirements (voltage/frequency).
Do you support installation, commissioning and operator training overseas?
Yes. Our experienced field mechanical and electrical engineers deploy directly to customer sites worldwide. We manage full mechanical alignment, foundation bolt-down verification, hydraulic system flush and charge, electrical PLC debugging, sensor calibration, trial coil runs, and on-site operator safety and maintenance training.
Can buyers inspect equipment at the manufacturing facility prior to shipment?
Yes, we welcome pre-shipment Factory Acceptance Testing (FAT) at our 40,000 m² plant in Wuxi, Jiangsu. Clients or third-party inspection firms (e.g., SGS, TÜV) can review dry cycling, arbor runout tolerances, hydraulic pressure holding, and overall build quality before overseas packing.
Heavy-Duty Catalog

Coil Processing & Shearing Solutions

Browse our core equipment models engineered for continuous duty cycles and exceptional dimensional consistency.

High Strength Leveling Machine
Heavy Leveling

High Strength Leveling Machine

Deep plastic-deformation roller geometry configured to flatten high-yield coil strips reliably.

View Line
Professional Straightening Machine
Stress Relief

Professional Straightening Machine

Corrects residual curling and internal structural tension to prepare materials for stamping.

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Hot Rolled Plate Moving Shear Line
Moving Shear

HR Plate Moving Shear Line

Synchronized cutting carriage provides seamless length-cutting without pausing feed uncoiling.

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Stainless Steel Coil Line
Stainless Sheet

Stainless Steel Shearing Line

Designed for immaculate cosmetic integrity with anti-scratch rollers and automated sheet stackers.

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Hot Rolled Coil Combined Line
Integrated CTL & Slit

HR Coil Slit & Cut-to-Length Line

Consolidated multi-station process slitting and sizing wide coils in a unified production zone.

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Hot Rolled Sheet Uncoiling Slitting Line
Heavy Slitting

HR Sheet Slitting & Recoiling Line

Heavy-gauge longitudinal cut line with high-torque recoiler mandrels and push-off plates.

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HR Uncoiling Slitting Recoiling Line
Tube Feed Setup

HR Uncoiling-Slitting-Recoiling Line

High-rigidity arbor system engineered specifically for heavy duty tube and section mills.

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HR Sheet Cut to Length Line
Plate Cut

HR Sheet Shearing & Stacking Line

Automated leveling, measurement, and guillotine cut line capable of cleanly stacking heavy plates.

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Verified Credentials

Quality Certifications & ISO Credentials

Our engineering commitments are backed by documented industrial quality systems, verified factory audits, and metallurgical certifications.

Direct Engineer Consultation

Request a Specialized Line Configuration Proposal

Share your steel grade requirements, coil dimension parameters, and line throughput goals. Our engineering department in Wuxi will prepare a full project layout, kinematics calculation, and formal equipment specification.

Contact Technical Sales Request Comprehensive Catalog