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About us

Smart tech Pvt Ltd, one of the pioneering in importing and indenting companies has started an exciting journey since the emergence in 2007. We believe in attaining utmost happiness around our 700 customers. We love to drive a knowledge based journey among our valuable clients. Currently we are bridging latest technology chain from Italy, Germany, China, Korea etc. Our continuous and untiring endeavors unveil an exciting happy network that can act as a facilitator to increase factory productivity, quality, reducing machine downtime etc. Our excellent sales-servicing team work drives our customers to feel a logical dream. We can make your dream successful. Our cordial appeal to all of our valuable clients is to stay with us. Your active participation would help us a lot to acquire knowledge on demand. We will continue to invest our utmost effort and dedication to put the right technology in right time. We love stay in an efficient environment……. We welcome you to our world of quality services & world renowned machineries and innovative technologies. We are highly expecting your continued patronage onward.

Contact Us:
House # 5 (4th Floor), Road # 8, Sector # 6, Uttara Model Town, Dhaka-1230, Bangladesh
Tel: +880-2-58951129, 58950807
Hotline: +8801730034839
For Spare Parts : +8801755645497
For Commercial : +8801755649123
For Service: +8801714162368

Chittagong Office:
314. SK Mujib Road, North Agrabad,
Chittagong. Tel : 031-2519833
Mobile : 01730001239
Email :

3/D, Chanpara (Ziabagh), Uzampur, Uttarkhan, Uttara
Hotline: +8801730034839


Automatic Serging Unit

Equipped with a super fast Yamato sewing head exclusively designed for Vi.Be.Mac. and fully made in Japan, the V800 is a 1 or 2 needles, 4 threads overlock unit that runs at 6300 rpm

Developed with the latest technical solutions, this unit guarantees super high sewing performances, flexibility and an incredible stitching quality, besides long lasting life of its parts and components.
The innovative and PATENTED air-assisted transport system allows to stitch ANY kind of fabric, from light to heavy, stretch or double stretch, besides being the first and the only serging unit which can sew on the back panel with the back yoke already joint, thanks to our automatic and PATENTED back yoke joint detector!
The V800 AS presents amazing and patented new solutions based on our statement "BUILT TO LAST” or rather: 4 lt extra oil, forced oil device with inter cooler pump (patented), 100% cut scraps vacuum device, special cutting system device with HSS blades (patented) provided with vacuum and sensor which allow the machine to work continuously, long lasting blade +50% and threads saving over +70% . An extra Pneumatic cylinder assists the cutting device.
As much as all the Vi.Be.Mac. units, our technicians put special consideration towards the operator's comfort, that's why the stand is adjustable in height and equipped with wheels to make any movements inside the production lines easier. Same for our internal stacker, safe in use and space saving. Furthermore, whenever maintenance operations need to be done, the sliding upper table allows the operator to completely open it, making any operation a kid's stuff!
Forget about the manual side seam operation with its huge problems of low productivity and poor manual quality results, just switch to automation with the V800AS and get the best output possible in terms of both quality and quantity!

Technical Specifications
Yamato sewing head exclusive designed for Vi.Be.Mac.

1-2 needles overlock unit standard, required extra needle plate not included for the 2nd needle
4 threads
Speed: 6300 rpm

Serging dimensions 6.0 mm up to 9.6 mm

Stitch per Inch: 7,5 up to 30 spi

100% cut scraps vacuum device
3 lt extra oil, forced oil device with intercooler pump (patented)
Special guide device with automatic back yoke joint detector

Special guide device with manual regulation for different fabric thickness

Special cutting device HSS blade (patented) with vacuum and sensor, long last cutter blade +50% * threads saving over +70%**

Extra Pneumatic cylinder assistance on the cutting device

Directional forced air device, not required any hand touch by the operator during the operation.

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