TWINE SOURCING House #31, Road #01, Sector #09, Uttara, Dhaka-1230
info@greentexcalibration.com | +880 1712-007373
Engineering Calibration • Testing • Metrology

Bangladesh's Calibration Company You Can Prove In Any Audit

Greentex Calibration provides dependable calibration, measurement assurance and laboratory support for textile, manufacturing, engineering, pharmaceutical and industrial organizations.

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Precision Measurement Solutions

Accurate Instruments. Reliable Results.

From on-site calibration to controlled laboratory services, we help your quality system stay measurement-ready.

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Calibration • Consultation • Sourcing

One Technical Partner for Your Measurement Needs

Practical engineering support built around traceability, accuracy, documentation and responsive service.

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Quality & Compliance

Three Divisions, One Compliance File

A practical quality-first approach covering calibration, testing and laboratory support with clear documentation and dependable measurement.

NABL / ISO Ready Documentation View Details

NABL / ISO Ready Documentation

Structured calibration records, certificates and technical documentation for audit-ready quality systems.

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Traceable Measurement View Details

Traceable Measurement

Reference standards and technical processes designed around reliable, repeatable measurements.

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Training & Technical Support View Details

Training & Technical Support

Practical guidance for calibration programs, measurement systems and laboratory requirements.

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Equipment & Instrument Support View Details

Equipment & Instrument Support

Calibration, instrument sourcing and technical support for industrial measurement needs.

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We employ the latest

Technology & Company

Our focus is to deliver practical measurement solutions that help your organization maintain reliable results, consistent documentation and audit confidence.

Precision instruments & reference standards Competent technical support On-site & laboratory calibration Quality-focused documentation
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Industrial engineering and calibration support
Organizations & Certifications
Greentex certification reference 1 Quality Certification Compliance reference
Greentex certification reference 2 Accreditation Mark Standards reference
Greentex certification reference 3 LEEA Reference Organization reference
ISO certification reference ISO Reference Quality systems
ISO certification reference ISO Standards Quality assurance
Certification reference Technical Standard Traceability
Greentex technical team
Our People

Our employees are passionate and highly specialised.

Greentex Calibration is built around technical competence, responsive communication and a service mindset. Our team works closely with customers to understand measurement requirements and deliver practical calibration support.

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Explore Our

Calibration Services

Comprehensive calibration services for thermal, mechanical, electrical and other measurement parameters, supported by practical engineering expertise.

Thermal Calibration View Details

Thermal Calibration

Temperature indicators, sensors, thermocouples, data loggers, ovens, baths and humidity equipment.

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Mechanical Calibration View Details

Mechanical Calibration

Pressure, force, mass, torque, dimension and mechanical test equipment calibration.

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Electrical Calibration View Details

Electrical Calibration

Meters, multimeters, clamp meters, resistance, power, frequency and electrical source calibration.

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Other Calibration View Details

Other Calibration

Analytical, pharmaceutical, revolution, special instruments and validation-related services.

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Featured Instruments

Calibration Equipment & Product Support

A dedicated product area for instruments, measuring equipment and technical sourcing support.

Temperature Calibrator
Precision Instrument

Temperature Calibrator

Reference equipment for controlled temperature measurement and calibration workflows.

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Pressure Calibration Equipment
Precision Instrument

Pressure Calibration Equipment

Professional pressure measurement and calibration support for industrial instruments.

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Electrical Test Instruments
Precision Instrument

Electrical Test Instruments

Reliable instruments for electrical measurement, verification and calibration.

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Laboratory Measurement Equipment
Precision Instrument

Laboratory Measurement Equipment

Supporting laboratory accuracy, repeatability and traceable measurement programs.

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Our Process

From Enquiry to Certificate in Four Steps

STEP 01

Enquiry

Share equipment, range, quantity and location with our team.

STEP 02

Collection or Site Visit

We coordinate collection, on-site work or laboratory scheduling.

STEP 03

Accredited Calibration

Technical work is performed with appropriate standards and procedures.

STEP 04

Certificate & Reminder

Receive documentation and support for future calibration scheduling.

The Greentex Difference

Why Choose Greentex?

Built around practical service, technical competence, documentation and customer care.

Accuracy

Measurement-focused service designed for dependable results.

Expertise

Skilled technical support for diverse industrial applications.

Documentation

Clear reports and records to support quality requirements.

Responsiveness

Practical communication from enquiry through completion.

Committed to Excellence

Quality is built into every measurement.

We aim to serve customers with reliable calibration, testing and metrology solutions while continuously improving our processes and technical capability.

Traceable Service Measurement confidence
Technical Care Practical engineering
Quality Assurance Clear documentation
Industry Support Multiple sectors
ISO/IEC 17025 Traceability Quality System
Professional textile and industrial quality environment
Recent Updates

Recent Activities

Insights, training, events and quality-related updates from the Greentex Calibration team.

Hands-on Advanced Training & Measurement 12 Aug 2026

Hands-on Advanced Training & Measurement

Practical learning and technical knowledge sharing for measurement teams.

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Theoretical Training on Advanced Tools 28 Jul 2026

Theoretical Training on Advanced Tools

Building awareness around calibration procedures and laboratory requirements.

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Quality Excellence in Industrial Measurement 10 Jul 2026

Quality Excellence in Industrial Measurement

How consistent measurement supports production quality and customer confidence.

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Annual Quality & Customer Support Review 22 Jun 2026

Annual Quality & Customer Support Review

A look at continuous improvement, technical service and customer-focused support.

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Calibration Certificate Verification Guide 05 Jun 2026

Calibration Certificate Verification Guide

A practical guide to checking certificate details, traceability and measurement records.

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Building a Strong Measurement System 18 May 2026

Building a Strong Measurement System

Key practices for maintaining dependable instruments and repeatable measurement results.

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Greentex laboratory environment
Measurement you can trust Calibration • Testing • Metrology
Questions

Frequently Asked Questions

Greentex Calibration is presented in the supplied project content as a calibration laboratory focused on precision measurement, traceability and quality systems. Add the exact current accreditation scope before publication.

Yes. The project content describes both controlled laboratory calibration and on-site service at customer locations.

Turnaround depends on instrument type, quantity, range, method and whether the work is on-site or laboratory based. Contact the team with your equipment list for a practical estimate.

Use the Certificate Verification page and enter the certificate number, or follow the QR workflow if your certificate includes one.

The supplied content mentions aerospace, chemical, pharmaceuticals, biotech, high-tech, manufacturing, medical and engineering, alongside textile-related organizations.
Our Customers

Trusted by Quality-Focused Organizations

ANY MOQ

Accepted

LEAD TIME

45–120 Days

PRODUCTION CAPACITY

2 Million Pieces

QUALITY ASSURANCE

Premium Quality With

COMPETITIVE PRICING

Best Quality At

Image

Who We Are

Founded with a vision to become a reliable global sourcing partner, TWINE SOURCING delivers premium apparel manufacturing solutions with a strong commitment to quality, sustainability, and ethical business practices. We work closely with fashion brands, retailers, and private labels worldwide, providing complete sourcing support from product development to final shipment.With years of experience in textile sourcing, production management, and international supply chain operations, our team ensures that every project is handled with professionalism, transparency, and precision.Quality Without CompromiseQuality is at the heart of everything we do. Our experienced technicians and dedicated quality control specialists monitor every stage of production—from fabric selection and sample development to bulk manufacturing and final inspection.

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Compliance
COMPLIANCE & ETHICS

Twine Sourcing

We do obey all legal & social compliance guided by laws and regulatory bodies as per local government order & global requirements. Some of our major compliance issues are:

Pure Drinking Water
Electric Shock Prevention
Salary On-Time
Maternity Leave
Health And Safety
Lighting And Ventilation
No Child Labor
Working Hour
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TWINE SOURCING Product Categories

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Knit
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Knit

Woven
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Woven

Sweater
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Sweater

TESTIMONIALS!

What Our Clients Say!

 “Their strong supplier network and attention to detail ensured that every order  met our quality standards. A reliable partner for global sourcing.”
David Miller — Germany
David Miller — Germany

Managing Director, Global Fashion Co.

 “Their strong supplier network and attention to detail ensured that every order  met our quality standards. A reliable partner for global sourcing.”   
Sophie Martin — France
Sophie Martin — France

CEO, European Apparel Ltd.

  “Style Sourcing International consistently delivers high-quality garments   while maintaining competitive pricing. We highly recommend their sourcing services.”    
Emma Wilson — Australia
Emma Wilson — Australia

Brand Owner, Australia

“From sample development to final shipment, the entire process was handled   professionally. Their team always provides quick responses and effective solutions.”   
Olivia Johnson — Canada
Olivia Johnson — Canada

Buying Head, USA

 “We have been working with Style Sourcing International for several years. Their commitment to quality assurance and compliance has made them one of our most trusted partners.”    
James Anderson — United Kingdom
James Anderson — United Kingdom

Director, Fashion Retail Group

 “Style Sourcing International exceeded our expectations with their professionalism,        product quality, and timely delivery. Their sourcing expertise helped us streamline        our supply chain and improve overall efficiency.”
Michael Roberts — USA
Michael Roberts — USA

Procurement Manager, UK

Testimonial
Ready when you are

Send us your equipment list today

Tell us what needs to be calibrated, tested or supported. Our technical team will help you identify the right scope.

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