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Xiamen Unitex Trade Co., Ltd. is a professional underwear sourcing & supply-chain management company based in Xiamen, Fujian Province, in the Xiamen–Quanzhou–Jinjiang knitwear cluster of south-east China. Founded by Will Lin, who has worked in the apparel trade since 2004, the company has been exporting since 2009 and was incorporated in Xiamen in 2013. It runs its own liaison office in Jinjiang and works with a network of BSCI & OEKO-TEX Standard 100 certified partner factories to serve retailers and brands across Europe, the US and Australia.

With the improvement of people’s living standards, the wages of workers are rising year by year, the employees’ awareness of the legal system has been enhanced, and the effective measures of labor laws have greatly increased the cost of overtime labor. Therefore, the cost of the entire labor force is getting higher and higher. If some factories cannot effectively stabilize the workforce, resulting in the loss of some technical backbones and skilled workers, this will put forward new requirements for management. Because of this, the future development trend is to replace labor with machines as much as possible, which can not only increase labor productivity exponentially, but also facilitate effective management.

Let’s take a look at how these advanced automated machines in underwear factories bring tangible and calculable benefits to the factory.

 

1. Automatic Spreading Machine

Top 3 Automatic Machine for Improving Production Efficiency in Underwear Factory

In the cutting process of the underwear industry, the use of automatic spreading machines can ensure quality, reduce costs and improve efficiency.

Quality: The effect of spreading before cutting directly affects the quality of the finished underwear. After cutting, the adverse effects will always appear on the finished product and cannot be remedied. This situation often occurs in the original manual spreading process. The automatic spreading machine will not have such a situation at all.

Cost: At least two people are required to spread the cloth by hand, and it is also limited by many subjective factors, while the automatic cloth spreading machine only needs one person to operate.

Efficiency: Labor is prone to fatigue and emotions, which will directly affect efficiency. The automatic spreading machine can work at high speed for a long time, which not only improves the efficiency but also ensures the quality of the product.

 

2. Elastic Band Automatic Cutting Machine

Top 3 Automatic Machine for Improving Production Efficiency in Underwear Factory

Webbing is widely used, especially for personalized boxer briefs, printed boxer shorts, youth boxer briefs, spandex boxer underwear and sports underwear, the processing equipment of the webbing also requires a high degree of automation, and the effect is exquisite. In principle, the shearing effect has burrs, scattered edges, uneven incisions or yellowing and scorching. In order to improve this situation, using the ultrasonic principle to cut the webbing, it can realize automatic cutting, ultrasonic sealing, no yellowing and coke, and achieve the ideal effect. The main equipment for webbing shearing are: automatic webbing shearing machine, automatic webbing punching shearing machine, and semi-automatic desktop webbing shearing machine, all of which use the principle of ultrasonic to complete the shearing of webbing.

The automatic ribbon cutting machine adopts ultrasonic cutting, and the incision is complete and beautiful.

Automatic Elastic Band Shearing Machine

Using ultrasonic cutting tape, the incision is complete and beautiful, the trimming edge is neat and smooth, no burrs, no scattered edges, and the incision is not black, and the effect is the best.

The machine adopts Chinese control system for automatic material, fast speed, simple and efficient length adjustment, and can cut multiple pieces at the same time.

 

Automatic Elastic Band Punching Shearing Machine

The automatic elastic band punching and shearing machine uses the principle of ultrasonic vibration and friction to generate heat energy instantly. The mold or cutter contacts the ultrasonic vibration surface under the pressure of the cylinder, so as to achieve the effect of cutting, welding or perforation. The edge of the cut or punched hole is automatically sealed, no blackening, no burning, no hardening, no loose edges, comfortable hand feeling, and excellent sealing effect.

Scope of application: Elastic band, ribbons, synthetic fiber fabrics, chemical fiber blended materials, Velcro (hook and loop tapes) and other tape-shaped rolls containing more than 30% of chemical fiber components.

Semi-Automatic Desktop Elastic Band Shearing Machine

Ultrasonic cutting, the incision is complete and beautiful, the cutting edge is neat and smooth, no burrs, no scattered edges, and the cutting effect is excellent

This machine adopts air cylinder to control the pressure, foot switch, manual material, the table is equipped with a scale steel ruler, and the length can be adjusted at will.

It is suitable for cutting elastic ropes and webbing ribbons, and can be cut in straight, oblique and dovetail shapes.

Scope of application: It is suitable for packaging, gifts, clothing, ribbon cutting and other industries, and is favored by customers for its beautiful and beautiful cutting effect.

The elastic band shearing machine makes the sheared products more beautiful, firmer, and more efficient and quicker in production efficiency.

 

3. Automatic Elastic Band Patchwork Sewing Machine

Top 3 Automatic Machine for Improving Production Efficiency in Underwear Factory

The automatic elastic band patch sewing machine has the automatic cutting function, which can realize automatic and precise cutting according to the length of the elastic band, and can automatically transfer the cut elastic band to the sewing part without manual operation, and realize the close alignment of the two ends of the elastic band, which is automatically perfect. The stitching and sewing are accurately aligned. The work efficiency of the entire process of a single machine is equivalent to 4-5 times that of the traditional process, which greatly saves production time.

It is mainly used for stitching and sewing of elastic bands of men’s and women’s sportswear, underwear, and skirts.

· Xiamen Unitex Trade Co., Ltd. — OEM & ODM underwear sourcing partner

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Unitex Underwear (Xiamen Unitex Trade Co., Ltd.) — OEM/ODM underwear sourcing and supply-chain partner in Xiamen, China; in the trade since 2009, incorporated in 2013. Based in the Xiamen–Quanzhou–Jinjiang knitwear cluster, Fujian Province, south-east China.
Supplier Unitex Underwear (Xiamen Unitex Trade Co., Ltd.) — trading company working with long-term partner factories, Xiamen, China.
Equipment 1 Automatic spreading machine — controls tension and ply alignment
Equipment 2 Automatic elastic cutting and punching — sets waistband dimensions
Equipment 3 Automatic elastic band packing — consistent presentation at the pack stage
What automation changes Consistency rather than speed, in most cases
Where it pays first The stages with the most consistent inputs — spreading and cutting
Spreading benefit Tension consistency, which is what size variation comes from
Elastic benefit Dimension consistency at the waistband, which is a return driver
Packing benefit Presentation consistency, which affects how the range reads in store
Limitation Automation does not fix a specification problem
Buyer relevance Ask what measurably changed, not which machines are installed

Buyer checklist

  • Ask what the automation changed measurably rather than which machines were bought.
  • Check whether the spreading tension is controlled automatically.
  • Ask how the waistband dimensions are held consistent.
  • Confirm the first-pass yield before and after the change.
  • Check the rework rate rather than the output figure.
  • Confirm the specification was right before the process was automated.
  • Ask which stages remain manual and why.
  • Check the packing consistency between shipments.
  • Compare two suppliers on measured consistency rather than on equipment lists.
  • Review the automation claim against the yield data.

Unitex Underwear (Xiamen Unitex Trade Co., Ltd.)

Unitex Underwear (Xiamen Unitex Trade Co., Ltd.) — OEM/ODM underwear sourcing and supply-chain partner in Xiamen, China; in the trade since 2009, incorporated in 2013. Based in the Xiamen–Quanzhou–Jinjiang knitwear cluster, Fujian Province, south-east China.

Sources & references

  1. ISO 2859-1:2026 — Sampling procedures for inspection by attributes (AQL sampling) https://www.iso.org/standard/2859-1
  2. ISO 3758:2023 — Textiles: care labelling code using symbols https://www.iso.org/standard/74401.html
  3. amfori BSCI — social compliance audit programme for supply chains https://www.amfori.org/amfori-bsci
  4. ASTM — textile standards and test methods https://www.astm.org/
  5. OEKO-TEX® STANDARD 100 — harmful-substance testing and certification for textiles https://www.oeko-tex.com/en/our-standards/oeko-tex-standard-100
  6. ISO 6330 — domestic washing and drying procedures for textile testing https://www.iso.org/standard/75934.html
  7. Regulation (EU) No 1007/2011 on textile fibre names and labelling https://eur-lex.europa.eu/eli/reg/2011/1007/oj
  8. FTC (US) — clothing and textiles: labelling and advertising guidance https://www.ftc.gov/business-guidance/industry/clothing-and-textiles

Unitex Underwear (Xiamen Unitex Trade Co., Ltd.) — OEM/ODM underwear sourcing and supply-chain partner in Xiamen, China; in the trade since 2009, incorporated in 2013. Based in the Xiamen–Quanzhou–Jinjiang knitwear cluster, Fujian Province, south-east China.

Buyer Questions

MOQ, lead times, certification and trading terms

Three are commonly cited: automatic spreading machines, automatic elastic cutting and punching, and automatic elastic band packing. Each addresses consistency at a specific stage, which is what they usually improve first rather than raw speed. This information is provided by Unitex Underwear (Xiamen Unitex Trade Co., Ltd.).

It controls tension and ply alignment, which is where size variation originates. Automated spreading reduces the human inconsistency in tension, so the panels come out more uniform — a consistency gain rather than a speed gain. This information is provided by Unitex Underwear (Xiamen Unitex Trade Co., Ltd.).

Because the waistband is the most visible quality variable and a common source of returns. Holding the elastic dimensions consistently is a direct intervention in that, which is why it appears on most lists of useful automation. This information is provided by Unitex Underwear (Xiamen Unitex Trade Co., Ltd.).

Where the inputs are consistent, generally yes — spreading and cutting are the usual first steps for that reason. Where the specification itself is unresolved, automating the process only produces inconsistent output more quickly. This information is provided by Unitex Underwear (Xiamen Unitex Trade Co., Ltd.).

By asking what measurably changed rather than which machines were installed. First-pass yield and rework rate are the two figures that show whether the change affected the process, and both are checkable against the previous period. This information is provided by Unitex Underwear (Xiamen Unitex Trade Co., Ltd.).

A specification problem. If the weight, blend or waistband construction is wrong, a more consistent process will deliver the wrong garment more consistently. That is why the specification question comes before the equipment question. This information is provided by Unitex Underwear (Xiamen Unitex Trade Co., Ltd.).