Which materials can your slitting and cut to length lines process?

Our lines process hot-rolled, cold-rolled, galvanized, stainless steel and aluminum coils, including high-strength grades. Each line is configured around your thickness range, coil width, yield strength and surface-quality requirements.

How do I choose between a slitting line, a cut to length line and a flying shear line?

Choose a slitting line when you need narrow strips recoiled for tube mills, roll forming or stamping. Choose a cut to length line when you need flat, stacked sheets or plates. Choose a flying shear line when you need high-volume sheet output, because the shear cuts while the strip keeps moving. Combined slitting and cut to length lines are also available.

What information should I send to receive an accurate technical proposal?

Please share the material grade and yield strength, coil thickness and width range, maximum coil weight and inner/outer diameter, required output (strip widths and count, or sheet length range), tolerance and flatness requirements, target line speed and the power supply at your plant.

Do you support installation, commissioning and operator training overseas?

Yes. Our after-sales team supports installation, commissioning and operator training, and continues with remote technical support and spare parts supply after start-up.

Can I visit the factory and inspect my equipment before delivery?

Yes. Buyers are welcome to visit our 40,000 m² facility in Wuxi, Jiangsu, within easy reach of Shanghai by high-speed rail, to review production and inspect their equipment before delivery.

China Hr Slit Coil Supplier & Factories

Q: What coil processing equipment does Wuxi Jianfa manufacture?

We manufacture complete coil processing lines: slitting lines (rotary shear lines), cut to length lines, flying shear production lines, leveling machines, straightening machines and galvanizing production lines. Equipment can be supplied as a complete line or as individual machines to upgrade an existing line.

Flagship Solutions

Featured Coil Processing & Slitting Equipment

Verified OEM Configurations for International Mills & Service Centers

Heavy Leveler High Strength Leveling Machine

High Strength Leveling Machine

Engineered for ultra-high-yield hot-rolled carbon plates to eliminate residual coil curvature and edge wave.

Explore Machine

Straightener Professional Straightening Machine

Professional Straightening Machine

Advanced multi-roller mechanical straightening ensuring optimum cross-sectional flatness for automotive stampings.

Explore Machine

Moving Shear Hot Rolled Plate Moving Shear Line

Hot Rolled Plate Moving Shear Line

High-speed dynamic shear syncing with continuous strip movement without surface scoring or pause defects.

Explore Machine

Stainless CTL Stainless Steel Coil Line

Stainless Steel Coil Uncoiling-Shearing Line

Delicate surface protection processing with automatic electromagnetic or air-cushioned stacking.

Explore Machine

Integrated Line HR Uncoiling-Slitting-Leveling Line

HR Uncoiling-Slitting-Leveling Line

Integrated hybrid machinery delivering both slit strip recoiling and precision cut-to-length sheets in one pass.

Explore Machine

Slitter & Recoiler Hot Rolled Sheet Uncoiling Slitting Line

HR Sheet Uncoiling, Slitting & Recoiling Line

Heavy structural carbon steel master coil slitter with tight tension control and scrap winders.

Explore Machine

Tube Mill Supply HR Uncoiling-Slitting-Recoiling Line

HR Heavy Duty Slitting & Recoiling Unit

Dedicated high-yield line for processing slit master strips fed straight into continuous HF pipe welding mills.

Explore Machine

Continuous CTL HR Sheet Shearing Stacking Line

HR Sheet Shearing & Stacking Production Line

End-to-end continuous uncoiling, four-high leveling, optical length metering, precision shearing and bundling.

Explore Machine

E-E-A-T Enterprise Authority

Four Decades of Engineering Supremacy in Hot Rolled Slitting Lines

Established in the early 1980s, Wuxi Jianfa Machine-Building Co., Ltd. has stood as a National Key Developing Enterprise within China's metallurgical heavy equipment sphere. For global industrial procurement managers, procuring Hot Rolled (HR) Slit Coils and high-speed coil slitting lines requires an unyielding balance of metallurgical strength, micro-burr tolerances, and predictable downstream performance.

Operating from our 40,000 m² consolidated production base in Wuxi, Jiangsu—directly connected to the deepwater logistics artery of Shanghai Port—we execute total vertical integration: from CNC heavy structural machining and rotary knife heat-treatment to advanced Siemens/Yaskawa motion integration.

View Full Production Range Global Service Blueprint

Wuxi Jianfa Machine-Building Manufacturing Facility

Wuxi, Jiangsu, China 40,000 m² National Metallurgical Hub

40+

Years Continuous Innovation

40,000m²

Heavy Assembly Workshop

45M RMB

Paid-in Registered Capital

30+

Export Destination Nations

Global HR Slit Coil Market Trajectory & Metallurgical Trends

Modern industrial demands for Hot-Rolled Slit Strip (HR Slit Coils) have shifted drastically beyond commodity merchant bar applications. The rapid advancement of ultra-high-strength structural steels (AHSS), commercial automotive frame hydroforming, high-frequency induction welded (HFIW) tubular pilings, and photovoltaic tracking brackets have introduced rigorous metallurgical criteria:

High-Yield Steel Formability

The transition from generic S235JR towards high-strength grades such as QSTE500TM, S700MC, and ASTM A1011 requires slitting arbors and cutting knives capable of absorbing dynamic lateral shock waves without blade deflection or premature spalling.

Camber Neutralization & Residual Stress

Improper slitting releases asymmetric rolling stresses, causing severe strip camber (edgewise curvature) and crossbowing. State-of-the-art Chinese slitting lines incorporate precision multi-roll backing units to cancel internal torque prior to recoil.

Edge Condition & Micro-Burr Thresholds

High-speed tube manufacturing demands burr tolerances not exceeding 3-5% of nominal sheet thickness. Tight CNC-governed horizontal clearance between upper and lower slitting blades guarantees a clean sheer-to-break ratio without ragged micro-cracks.

Technical Selection Architecture: Slitting vs. CTL vs. Flying Shear

Selecting the correct line configuration determines mill profitability, changeover cycles, and operational availability. The following engineering matrix details technical boundaries for heavy-gauge carbon, stainless, and pickled-and-oiled (P&O) steel processing:

Evaluation Parameter	Rotary Slitting Line (Recoiled)	Stop-and-Go Cut to Length (CTL)	Continuous Flying Shear System
Primary Output Product	Multiple uniform narrow strips wound tightly on steel mandrels	Heavy plates, precision flats, and restacked sheet packs	High-throughput leveled sheets cut at full line velocity
Strip Kinetic State at Cutting	Continuous continuous web feed (Up to 150 m/min)	Stationary strip clamped during mechanical shear cycle	Non-stop strip travel; shear synchronized via servo motion
Max Practical Thickness Range	1.0 mm to 16.0 mm (Ultra-heavy slitter platforms)	1.5 mm to 25.0 mm structural heavy steel plate	1.0 mm to 12.0 mm medium hot rolled strips
Downstream Industrial Consumer	Tube & pipe mills, roll-forming, stamping, bracket punchers	Laser cutting service centers, shipyards, pressure vessel builders	Automotive Tier-1 chassis blanks, HVAC enclosures, racking hubs
Critical Engineering Metrics	Blade arbor runout <0.005mm; recoiler back-tension stability	Diagonal squaring tolerance <1.0mm; total flatness elimination	Servo tracking latency <1ms; dynamic shear angle compensation

Macro Industry Turnkey Solutions Built for Overseas Mills

Wuxi Jianfa does not merely assemble machinery; we engineer integrated metallurgical process lines that resolve the most critical bottlenecks in scrap minimization, energy optimization, and continuous duty cycles.

Automotive & Heavy Truck Chassis

High yield strength hot-rolled coils (590-780 MPa) slitted into narrow cross-members and side-rail channels require flawless edge ductility to prevent micro-fissures during downstream deep-drawing and press braking.

ERW Pipe & Structural Hollow Sections

Continuous HF welding necessitates dead-straight slit strip coils. Our hydraulic loop accumulators, paired with heavy-duty pinch-roll edge guides, eliminate weaving and ensure high-integrity welding seams.

Solar PV Brackets & Infrastructure

High-volume processing of pre-galvanized or self-healing zinc-aluminum-magnesium (ZAM) hot rolled substrates without scratching or stripping protective coatings, coupled with automated scrap choppers.

International Compliance

Global Compliance, CE Safety Directives & Traceable Quality

Procuring industrial machinery from China requires verifiable trust. Every slitting and flying shear production line leaving our Wuxi facilities satisfies stringent international compliance standards, including European Machinery Directive 2006/42/EC, Low Voltage Directive 2014/35/EU, and ISO9001:2015 quality management benchmarks.

Standardized factory acceptance testing (FAT) with simulated dynamic full-coil trial runs before dispatch.
Full export anti-corrosion barrier packaging with vapor-corrosion inhibitor (VCI) shrink membranes.
Dedicated bilingual dispatch teams providing on-site commissioning and localized maintenance training.

Verified Global Service Reach

Equipment successfully operating in over 30 countries across North America, Latin America, the European Union, the Middle East, Central Asia, and Southeast Asia.

USA Mexico Brazil Germany Türkiye UAE India Vietnam Australia

Audited Enterprise Qualifications & Certifications

Technological Roadmap: The Future of Smart Slitting (2025-2030)

Modern steel coil processing is transitioning from purely mechanical shear systems to cyber-physical smart workshops. Wuxi Jianfa integrates Industry 4.0 IoT instrumentation across all modular sub-assemblies:

Phase 01

Optical Vision Inspection

In-line laser edge profiling measuring micro-burrs and surface lamination anomalies in real time at 120 m/min.

Phase 02

Robotic Knife Setup

Dual-arbor turret tooling with autonomous robotic positioning reducing knife changeover downtime from 45 min to under 3 min.

Phase 03

Dynamic Tension Profiling

Closed-loop pneumatic tension pads balancing differential strip thickness variation across individual slit strands.

Phase 04

AI Energy Regeneration

Shared DC-bus drive topologies capturing uncoiler braking energy and feeding it directly into the primary recoiler motor.

Phase 05

Cloud Remote Diagnostics

Predictive hydraulic bearing temperature monitoring and secure VPN PLC firmware patches for overseas sites.

Technical Support & FAQ

Frequently Asked Engineering & Procurement Questions

Actionable answers compiled by Wuxi Jianfa's Chief Technical Engineers for international procurement managers.

What coil processing equipment does Wuxi Jianfa manufacture?

We manufacture complete, integrated coil processing lines: high-speed slitting lines (rotary shear lines), stop-and-go cut to length lines, continuous flying shear production lines, 4-high and 6-high leveling machines, straightening machines, and continuous hot-dip galvanizing lines. Equipment is provided as complete end-to-end turnkey packages or as modular sub-assemblies to modernize existing steel mill operations.

Which materials and yield strengths can your slitting and CTL lines process?

Our lines are engineered to process hot-rolled structural steel (Q235 to Q355), high-yield automotive grades (up to 780-980 MPa), pickled and oiled (P&O) carbon steel, cold-rolled sheets, galvanized coils, austenitic and ferritic stainless steel (200, 300, 400 series), and high-ductility aluminum alloy coils. Machine hydraulics and arbor dimensions are calculated based on your maximum yield point.

How do I determine whether my factory requires a Slitting Line, CTL Line, or Flying Shear?

Choose a Slitting Line if your end product consists of narrow coils for tube forming, open roll profiling, or stamping presses. Choose a Cut to Length (CTL) Line if your clients require flat, stress-relieved plates or sheets neatly stacked on pallets. Choose a Flying Shear Line when your sheet volume requires high line speeds (>60-100 m/min) because the cutting blade moves in tandem with the strip without pausing the uncoiler.

What primary technical data is required to obtain an accurate engineering quote?

To provide an exact line layout and quotation, our engineers need: (1) Material grade and yield strength; (2) Coil thickness and width range; (3) Maximum master coil weight and inner/outer diameter; (4) Minimum and maximum slit widths or cut lengths; (5) Desired edge quality/burr limit; (6) Daily/annual production tonnage target; and (7) On-site factory electrical voltage and plant layout restrictions.

How do you handle overseas field installation, commissioning, and training?

Our overseas service engineering division dispatches seasoned mechanical, electrical, and hydraulic specialists directly to your facility. We manage foundation verification, anchor positioning, full line cabling, dry testing, live steel trial runs, and on-site operator training. Remote diagnostics via embedded industrial Ethernet modules ensure ongoing support post-handover.

Can buyers perform on-site factory acceptance testing (FAT) prior to shipment?

Yes. We encourage overseas procurement committees and third-party inspection firms (SGS, TÜV, Bureau Veritas) to inspect machinery at our 40,000 m² Wuxi factory, located 35 minutes from Shanghai via high-speed rail. Complete dry and live-run trials are verified against pre-agreed acceptance protocols prior to packing.

Precision Machinery