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.

CE Certification High-Precision Slitter Manufacturer & Manufacturers

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.

Q: 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.

Q: 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.

Precision Engineering Solutions

High-Precision Machinery Portfolio

Configured around tensile strength, surface sensitivity, gauge tolerances, and high line-speed synchronization.

Rigorous Standards

CE Certification Engineering & Operational Safety

A technical overview of compliance metrics, safety interlocks, and micron-grade arbor runout design.

Directives & Safety Integrity

Full conformance to European Machinery Directive 2006/42/EC, Low Voltage Directive 2014/35/EU, and EMC Directive 2014/30/EU. Safety PLCs with SIL 3 / PL e category architecture monitor physical light curtains, emergency stops, hydraulic lockouts, and dual-circuit interlocking safety fencing.

Dynamic Arbor Tolerances

Precision-machined slitter arbors forged from 42CrMo or 40Cr steel, quenched and tempered with cryogenic treatment to mitigate residual stresses. Arbor runout is restricted within ≤0.005 mm, minimizing strip camber, high burrs, and premature blade chipping during long runs.

Constant Tension Recoiling

Equipped with pneumatic/hydraulic variable back-pressure tensioning stands and loop accumulators. The line ensures tight winding of outer and inner layers, zero surface scratching on cold-rolled or mirror finish stainless steel, and uniform coil density.

Industrial Cluster Superiority

The Chinese Factory Advantage: Wuxi Engineering Ecosystem

Vertical supply chain integration, extensive technical know-how, and direct maritime logistics combine to deliver optimal total cost of ownership (TCO).

Complete Industrial Ecosystem

Located in Meicun, Wuxi, Jianfa operates within the heart of the Yangtze River Delta metallurgical equipment cluster. Raw forgings, CNC gantry milling, heat treatment centers, high-grade bearings, and hydraulic assemblies are sourced and machined within a 50 km radius, drastically lowering procurement lead times.

Capital Efficiency & Scalability

Chinese direct manufacturing eliminates multi-tier European and American distribution markups. Customers secure Tier-1 components (Siemens, Schneider, Rexroth, NSK) combined with robust domestic fabricated steel bases at 30% to 45% lower capital expenditure without sacrificing service life.

Deep Engineering Experience

Four decades of continuous engineering iterations since the early 1980s have created an expansive library of slitting configurations. From ultra-thin tinplate to 25 mm high-yield steel coils, Jianfa engineers resolve edge-wave, twist, and camber before machinery reaches the shop floor.

40+

Years In-House Experience

40,000 m²

Integrated Production Facility

45M RMB

Registered Corporate Capital

30+

Export Countries Supported

Equipment Analysis

Slitter Line vs. Cut-To-Length vs. Synchronous Flying Shear

Selecting the optimal coil conversion kinematics based on material thickness, cycle frequency, and downstream manufacturing demands.

Evaluation Parameter	High-Precision Slitting Line	Stop-and-Go Cut to Length (CTL)	High-Speed Flying Shear Line
Primary Output Format	Multi-strand narrow slit coils tightly rewound	Flat discrete sheets stacked in uniform bundles	High-throughput sheets cut on-the-fly
Strip Kinematics at Cut	Continuous line velocity up to 200 m/min	Intermittent stop-and-cut cycle	Continuous dynamic synchronization via servo fly-shear
Primary Downstream Use	ERW tube mills, roll forming, stamping feeds	Laser cutting, enclosure fabrication, panel stamping	High-volume distribution, appliances, automotive skin blanks
Core Tolerances	Width: ±0.05 mm, Burr: <5% of thickness	Length: ±0.5 mm, Diagonal: ±0.5 mm	Length: ±0.3 mm at line speeds >80 m/min
Leveling Integration	Optional 2-Hi / 4-Hi entry flattener	Mandatory 4-Hi / 6-Hi precision multi-roll leveler	6-Hi leveler with dynamic hydraulic roll-bending

Future-Ready Manufacturing

Localized Industry Scenarios & Global Industry Trends

Addressing structural shifts across automotive lightweighting, electrical transformer production, and intelligent Industry 4.0 connectivity.

Automotive Lightweighting & AHSS

The acceleration of Advanced High-Strength Steels (AHSS up to 1200 MPa) and aerospace-grade aluminum alloys requires robust slitter housings, hydraulic backlash dampers, and carbide knife setups to eliminate microscopic microcracks along cut edges.

Silicon Steel for Green Energy

Expanding EV motor and transformer production has led to intense demand for non-oriented and grain-oriented electrical silicon steel processing. Lines require burr control below 0.01 mm to preserve magnetic flux performance and avoid core loss.

Autonomous Setup & Predictive Maintenance

Modern service centers require automatic tooling-change turnstiles, robotic blade indexing, and OPC-UA connectivity. Vibration and thermal sensor arrays throughout the arbor drives provide real-time condition reports, avoiding unplanned downtime.

Knowledge Center

Frequently Asked Questions (FAQ)

Direct answers covering operational capacities, materials processing, certifications, and international commissioning.

What coil processing equipment does Wuxi Jianfa manufacture?

We manufacture complete coil processing lines: high-precision 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 turn-key line or as standalone modular units to upgrade existing operations.

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

Our machinery processes hot-rolled carbon steel, cold-rolled steel, galvanized coils, stainless steel (200, 300, 400 series), silicon electrical steel, and aluminum alloys. Configurations are engineered around your specific sheet thickness, yield strength (up to 1200 MPa), surface protection needs, and outer diameter tolerances.

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

Choose a slitting line if you produce narrow coils for tube manufacturing, roll-forming, or stamping feeds. Opt for a cut to length line if you deliver flat, precisely stacked rectangular sheets or plates. Choose a flying shear line when sheet throughput volume is the absolute priority, as the shear synchronizes dynamically with continuous strip travel.

What technical information is required to receive a customized engineering proposal?

Please provide material grades and yield strength range, strip thickness (min/max), coil width, maximum coil weight, inner and outer core diameters, target output strip counts or sheet dimensions, surface finish sensitivity, required line speed, and factory electrical parameters.

How does CE certification affect overseas safety compliance and installation?

Our CE-marked production lines comply strictly with EU Machinery Directives. Safety provisions include fully interlocked safety enclosures, light curtain barriers, dual-channel E-stop circuits, fail-safe hydraulic dump valves, and CE-labeled electrical cabinets matching international field inspection standards.

Do you provide on-site overseas installation, commissioning, and training?

Yes. Our experienced commissioning field engineers supervise mechanical foundation anchoring, electrical wiring, PLC loop tests, cold/hot running trials, and operator hands-on training directly at your overseas facility, backed by long-term remote diagnostics and spare parts support.

Certified Equipment