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Raschel Double Needle Bar Jacquard Warp Knitting Machine RDJ4/2

Raschel Double Needle Bar Jacquard Warp Knitting Machine RDJ4/2 is designed to produce warp-knitted seamless fabrics, which used as seamless pantyhose, sportswear, yoga clothes, jacquard trim ribbons, and other fashionable outerwear. The advantage of warp-knitted seamless fabrics is that it is produced in a single sequence without any seams process after the knitting work.
  • RDJ4/2

  • A-ZEN

  • 44", 90", 138"

  • E24, E28



Raschel Double Needle Bar Jacquard Warp Knitting Machine with double jacquard RDJ4/2 (RDJ6/2) is designed to produce warp-knitted seamless fabrics, which are used as seamless pantyhose, seamless leggings, elastic sportswear, yoga clothes, female stocking, wedding gloves, jacquard trim ribbon or ribbon trims, and other fashionable outerwear. 

yoga sports wear knitting wear

The advantage of warp-knitted seamless fabrics is that it is produced in a single sequence without any seams process after the knitting work.

Besides, the high productivity and shape flexibility outweigh other knitting machines. 

Lastly, thanks to the piezo-jacquard technology, various patterns are available on the RDJ4/2 machine.

To those who produce seamless fabrics from the circular knitting machine, RDJ4/2 shows its strong merit in the effective rate of finished fabrics, because the yarn does not run if breaks off, and the fabric will bring comfort skin feeling to its user. 

Nowadays, the piezo-jacquard technology is used on other double-needle bar machine models, such as RDJ5/1, RDJ6/1, RDJ7/1, and RDJ6/2. 

Product Description


1. Working Width/Gauge: 44", 90", 138"/E24, E28;

2. Working Speed: 50-500rpm (Depends on Yarn and Designs);

3. Knock-over Comb Bar Distance: 0.8-1mm;

4. Bars/Knitting Elements: 2 needle bars with latch needle units (individual needle and needle block optional), 2 knock-over come bars, and 2 sinker beds;

5. Pattern Drive System: EL Drive;

6. Yarn Let-off Device: EBC Yarn Let-off System;

7. Fabric Take-up: Electronical Fabric Take-up System;

8. Batching Device: Electronical Batching Device;

9. Laser Stop Detector and Online Service Program Equipped;

10. Air Blower Device: Optional.


1. Stable Working Performance;

2. Reliable Spare-parts Partners

 (1) Needle Elements Suppliers: Groz-Beckert, Saxonia;

 (2) EL Drives Suppliers: Mitsubishi, Nidec, Yasgawa, Tama-gawa;

 (3) Bearing Suppliers: NSK, INA, FAG;

 (4) Needle Beds and Bars Material: Magnalium Material;

 (5) Electrical Elements Suppliers: Schneider, Siemens, Omron, INVT;

 (6) Take-up Belt: Bobotex.

3. Overseas Service Team: Türkiye, India, Egypt, Indonesia, and Iran.


RD6 Individual Needles

Individual latch needles

seamless socks knitting machine

Seamless stocking production 

seamless warp knitting machine

RDJ4/2 Piezo-jacquard needle units

warp knitting operation system

A-ZEN Warp Knitting control system

seamless warp knitting machine

RD6 machine structure

RDJ4/2 Machine Working Videos:

Packaging & Shipping

RD machine package

Warp Knitting Machine Delivery

lace making machine

Seaworthy Package

Our Services

  • The local service team in Turkey, Egypt, India, Pakistan, Indonesia

  • In-time online service

  • Detailed operation manual

  • Machine in-house test before delivery

Company Information

CHANGZHOU A-ZEN TEXTILE TECHNOLOGY CO LTD. is a warp knitting machines and spare parts manufacturer, which locates in Changzhou, China. In the past 15 years, we have already provided nearly 1,000 sets of warp knitting machinery in markets, including Multi-bar Raschel machines, Jacquard Machines, Tricot Machines, Double-Needle Bars Machines, and Warping Machines.

A-ZEN textile

Driven by a responsible attitude, ongoing innovation, and open collaboration, A-ZEN has established a competitive warp knitting technology (WKT) portfolio of end-to-end solutions in warp knitting machinery, spare parts, and technology training, and the markets including China, Turkey, India, Egypt, Indonesia, Bangladesh, Brazil, Pakistan, Syria, Iran, Kenya, Thailand, Mexico, and other countries and areas.

Thanks to the sound technology and in-time after-sales service, A-ZEN has won a high reputation from markets, and A-ZEN is committed to enabling the warp knitting future diversified industry and building a better world.

warping knitting machine manufacture

Manufacturing Factories:

We have four workshops, two of them are warp knitting machines and warping machines workshops, and another two are fabric production mill and spare parts manufacture workshops separately.

Most of our newly developed machines will be used in our fabric knitting factory for a profound test, after which, we will promote them into the market.

Spare parts such as compound needle bed, tongue needle bed, needle guide bar, sinker bed, and latch needle bed is produced in our CNC machines, the bars or beds used on Chinese and German warp knitting machines. 

exhibition booth Global Exhibition: 

We attend professional textile machinery exhibitions worldwide, such as ITMA, ITM, ITME, and many others. During the exhibition, we not only display our newly developed technology but also offer economical products to our customers. 

It is also a good time to collect customers' feedback and new demand so that we could make better machines for them. 

Commuication and Cooperation is our theme to participate in all exhibitions. 

warp knitting machine training Customer Training

Technical support plays an extremely role in warp knitting machine services. We offer different forms of training, including professional manual books, online guides, video albums, and on-site training. 

So far, we have offered on-site training in more than 10 countries and built up our own local service teams in Turkey, India, Pakistan, Indonesia, Iran, and Egypt. 

Our in-time & professional technical support gain a high reputation in markets. 


Q:  You are a trading company or a manufacturer

A:  We are a manufacturer since 2012, and we have our own trading company in 2017, the brand of which is A-ZEN, which is specialized in importing and exporting services. 

Q: Do you offer local service? 

A: We provide local service in India, Turkey, Egypt, Indonesia, Pakistan, and Iran so far, and we will enlarge our service teams in more countries in the near future.

Q: How do you provide service if Chinese engineers can not come installation

A: Before machine delivery, we have an in-house test process, to make sure the machine performs perfectly. After the machine arrives, we provide an in-time online guide to support our customers finish machine installation.

Q: How do you ensure your machine quality

A: Firstly, we produce and provide lots of machines to the market, and our machines' lifespan and quality ensured by different markets over the years.

Secondly, we largely use renowned and market-tested spare-part brands, to make sure the mechnical and electrical parts are durable. 

Besides, we have regular service to customers, to check the quality of our machines and remind customers of maintenance, so our customers could run machine always in stable performance. 

We have 15 years' experience in the research and production of Warp Knitting Machinery.

Hall 7, Stand 68
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    Wujin district, Changzhou, Jiangsu