InGen MillTek YinJiang

Complete tube mill lines — designed, built and delivered by us.

YJ-series HF tube mill lines delivered complete, from uncoiler and spiral accumulator to forming, sizing and the flying saw. Uncoilers, levelers, shear & butt welders and spiral accumulators are also supplied on their own for existing mills.

Explore tube mill lines Discuss your requirements

Illustrative render of a generic workshop · proportions and configuration vary by project

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Actual footage · Customer site

A complete line, running on a customer's floor. Pick a machine to jump to it.

Filmed at a customer's plant. Some machines in this line, such as the flying saw, come from suppliers the customer chose.

We can also build a complete line around any section the customer specifies or buys from another brand, combined with our own equipment.

Actual footage · configuration varies by project

From strip to finished tube. Connecting every operation.

Explore tube mill lines and related machinery, starting with your material, tube profile and production requirements.

  • 1997 founded in Jiangyin, Jiangsu
  • 12 tube mill models
  • Φ10–273mm round-tube OD range
  • 2001 own spiral accumulators and entry equipment
  • 2023 recognized as a National High-Tech Enterprise

12 models. Start with the tube size.

Round-tube OD, wall and speed ranges for each model come from the company product catalogue. They are separate ranges, not simultaneous limits; actual capability is assessed per material and project.

Enter a round-tube outside diameter to highlight the models that cover it.

  1. YJ-20 Φ10–25.4 mm Wall 0.4–1.5 mm Speed 0–100 m/min
  2. YJ-32 Φ12.7–38.1 mm Wall 0.4–2.0 mm Speed 0–120 m/min
  3. YJ-50 Φ19.1–63.5 mm Wall 0.6–3.0 mm Speed 0–100 m/min
  4. YJ-76 Φ38.1–89 mm Wall 0.8–3.5 mm Speed 0–80 m/min
  5. YJ-89 Φ50–102 mm Wall 1.0–4.0 mm Speed 0–70 m/min
  6. YJ-102 Φ50–114 mm Wall 1.2–4.5 mm Speed 0–70 m/min
  7. YJ-114 Φ63.5–127 mm Wall 1.5–5.0 mm Speed 0–60 m/min
  8. YJ-127 Φ63.5–140 mm Wall 1.5–5.0 mm Speed 0–60 m/min
  9. YJ-165 Φ76–165 mm Wall 1.5–6.0 mm Speed 0–50 m/min
  10. YJ-219 Φ89–219 mm Wall 2.0–8.0 mm Speed 0–50 m/min
  11. YJ-254 Φ114–254 mm Wall 3.0–9.0 mm Speed 0–40 m/min
  12. YJ-273 Φ140–273 mm Wall 4.0–10.0 mm Speed 0–30 m/min

YJ-219, YJ-254 and YJ-273 are large-diameter models, designed and built to order.

Compare all tube mill lines

Uncoiler to accumulator, with a complete line or on its own.

Uncoilers, levelers, shear & butt welders and spiral accumulators also fit an existing tube mill on their own, to cut coil-change stops.

Floor-type spiral accumulator in a workshopSTRIP STORAGE · Horizontal and floor type Spiral Accumulators A spiral accumulator supplies stored strip during coil changes and joining. Available running time depends on usable storage, line speed and the joining cycle.

Also: Forming & Sizing Units · Flying Saws · Slitting Lines All entry & line equipment

Understand the process. Then make your choice.

Follow each operation through the line and see what matters for selection at every stage.

  1. 01 · Strip entry

    Begin with the material

    Define the material, strip width and end use as the starting point for equipment selection.

  2. 02 · Roll forming

    Shape the section

    Continuous roll forming progressively shapes the strip toward the required tube profile.

  3. 03 · Seam welding

    Join the formed edges

    Discuss a suitable welding process for the material and product requirements.

  4. 04 · Sizing & cutting

    Consider the finished tube

    Discuss sizing, cutting and downstream equipment around finished dimensions and cut lengths.

Illustrative render of a generic workshop · proportions and configuration vary by project

InGenMillTek

Focused on equipment. Built around production.

YinJiang’s manufacturing began in 1997 in Jiangyin, Jiangsu. It supplies HF tube mills, slitting lines and entry equipment to tube makers at home and abroad.

About InGen
Aerial view of the factory
Factory from the air · 2023
  1. 1997 Founded in Jiangyin, Jiangsu
  2. 2001 Own spiral accumulators, uncoilers and shear & butt welders
  3. 2004 YinJiang brand established
  4. 2006 Forming mills and flying saws added
  5. 2009 New production base and first export sales
  6. 2013 Slitting lines integrated into the range
  7. 2020 JiangSu InGen MillTek Co., Ltd. established (English name since 2025)
  8. 2023 Recognized as a National High-Tech Enterprise
  9. 2025 Company English name changed to InGen MillTek

From enquiry to production

Every line is designed around the customer's product and plant, and the technical agreement sets out delivery time, acceptance criteria and warranty. Our lines are used by many tube makers in China and exported to the Middle East, Africa, Russia and Central Asia, South Asia, Southeast Asia, Europe and South America.

  1. 01

    Your requirements

    Tell us the product, material, tube sizes and plant conditions. If you have not chosen a model, describe the product and we will recommend one.

  2. 02

    Line design & selection

    We design the line layout around your products and workshop and advise on model selection and technical parameters.

  3. 03

    Technical agreement

    A technical agreement sets out delivery time, acceptance criteria and warranty.

  4. 04

    Installation & commissioning

    After delivery, our engineers guide installation and commissioning on site; costs are agreed per project.

  5. 05

    Training & service

    Operator and maintenance training, spare parts and long-term maintenance.

Start with your requirements

Your next production line. Start with a conversation.

Tell us about your material, tube profile and production requirements.

Discuss your requirements

fred@jyyjjx.com 0510-86222407 WhatsApp