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Printed PP woven bags produced on a Reylong bag-making line

Printed PP Woven Bags

Flexographic printing, tubing, cutting and sewing — complete PP woven bag production lines, built by Reylong.

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Colorful recycled plastic regrind separated from non-ferrous metals

Cleaner Recycling Streams

Eddy current separators that recover copper, aluminum and zinc from shredded plastic and mixed recycling.

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Premium stand-up zipper pouches produced on a Reylong pouch machine

Retail-Ready Stand-Up Pouches

Doypack, zipper, three- and four-side seal — five pouch styles on one platform at up to 220 pcs/min.

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Our Machines

Industrial-grade equipment for serious manufacturers

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6-Color Flexographic Roll-to-Roll Printing Machine

6-Color Flexographic Roll-to-Roll Printing Machine

High-speed flexographic roll-to-roll printing machine for PP woven and laminated fabric. Features 6 independent printing stations with ceramic anilox rollers, automatic hydraulic throw-off, and inter-color drying system for continuous high-volume production.

The JLRPM-6800BO/6C uses six independent ceramic anilox roller stations to apply up to six colors onto PP woven fabric at up to 100 meters per minute, with inter-color drying between each station to prevent ink bleeding and maintain sharp print registration.

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Automatic Printing-Tubing-Cutting-Sewing-Overtape Convention Line

Automatic Printing-Tubing-Cutting-Sewing-Overtape Convention Line

Rey Long's fully integrated bag-making convention line combines four production stages — flexographic printing, tube forming, cutting & sewing, and overtape application — into a single, continuous process. Designed for high-volume PP woven bag production, the line delivers consistent quality with servo-controlled precision and a touch-screen control system.

The JLPTCSM-1300W integrates flexographic printing, tube forming, cutting and sewing, and overtape application into a single continuous process — producing finished PP woven bags at 25 to 40 bags per minute from a raw fabric roll without manual transfer between stages.

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Eddy Current Non-Ferrous Metal Separator Line

Eddy Current Non-Ferrous Metal Separator Line

Rey Long's JLECS-1000W is a complete non-ferrous metal separation line combining three stages in one system: a vibratory feeder for material distribution, a high-intensity magnetic drum separator for ferrous removal, and an eddy current magnetic roller for precise non-ferrous metal recovery. Ideal for recycling plants, e-waste processing, and mixed-material sorting.

The JLECS-1000W uses a high-speed rotating rare-earth magnetic rotor to induce eddy currents in non-ferrous metals, generating a repulsive force that ejects aluminum, copper, and brass from mixed material streams without contact.

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High-Speed Multi-Function Stand-Up Zipper Pouch Bag Making Machine

High-Speed Multi-Function Stand-Up Zipper Pouch Bag Making Machine

The JL-L-2TZP600 is Rey Long's flagship high-speed, multi-function pouch bag making machine, capable of producing five bag styles — three-side sealing bags, three-side sealing zipper bags, four-side sealing bags, stand-up doypack pouches (with or without zipper) — on a single platform. Built with a 10 mm steel-plate frame, full servo-motor control (Panasonic), and a PLC touch-screen interface, the machine delivers positional accuracy of ≤0.3 mm and speeds up to 220 pcs/min for three-side sealing bags. Zipper sealing is achieved via ultrasonic wave technology, eliminating heat damage to film. Optional double-unwinding and non-stop accumulator modules maximize uptime for continuous production.

The JL-L-2TZP600 uses full Panasonic servo control and a 4+2 heat-seal group configuration to produce five flexible pouch formats — including doypack stand-up pouches and zipper bags — with 0.3 mm or better positional accuracy at up to 220 pieces per minute.

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AI-Powered Machine Intelligence Solutions

AI-Powered Machine Intelligence Solutions

Rey Long's AI-Powered Machine Intelligence turns a conventional plastic bag making machine into a self-optimizing production line. Instead of running in the cloud, AI inference happens on edge hardware installed at the machine — delivering real-time decisions with near-zero latency and full offline resilience, and retrofittable onto your existing equipment without a full replacement. The program is built on three field-proven capabilities. First, Operator Expertise Digitization captures the tacit know-how of veteran technicians — fabric and film tension, denier-to-feed-speed torque compensation, humidity-driven anti-static control — and turns it into a model that recommends optimal parameters directly on the HMI, so a new operator can set up the line like a 20-year veteran. Second, High-Speed Computer-Vision Inspection uses a CNN model to catch printing, material, and stitching defects in real time at full machine speed, alerting the operator the moment a recurring fault appears. Third, Dynamic Error Compensation reads Eye-Mark deformation through vision and corrects the servo drives on the fly, tightening cutting and sewing accuracy while driving down scrap. Proven on woven-bag lines, stand-up pouch machines, and flexographic printing machines and integrated through standard industrial protocols (OPC-UA, Modbus, MQTT), it delivers measurable ROI on the equipment you already own.

Rey Long's AI Machine Intelligence embeds edge computing and computer vision directly into plastic bag production lines — detecting defects in real time, digitizing operator know-how, and compensating servo drives to achieve cutting and sewing accuracy below plus or minus 1 mm without cloud connectivity.

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Why Reylong?

With over two decades of experience, Reylong delivers robust plastic and packaging machinery engineered for continuous, high-volume production. Our machines operate in factories across Asia, Latin America, the Middle East, and Africa.

  • 20+ years manufacturing experience
  • Clients in 30+ countries
  • Full after-sales technical support
  • Customization available
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News

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Heat Seal Failures in Pouch Production: A Diagnostic Guide

False seals, burn-through, channel leaks and random weak seals are four different faults with four different causes. How to read the failure mode, the order to work through temperature, dwell, pressure and cooling, and why the HMI is telling you an intention rather than a fact.

Case Studies

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Upcoming Events

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Oct
18

PACK EXPO International 2026

McCormick Place, Chicago, IL, USA

Oct 18 – Oct 21, 2026

Mar
4

Sino-Pack 2027

Canton Fair Complex (Area B), Guangzhou, China

Mar 4 – Mar 6, 2027

Apr
13

CHINAPLAS 2027

Shenzhen World Exhibition & Convention Center, Shenzhen, China

Apr 13 – Apr 16, 2027

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Product & Technical Support