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Gester Instruments | Professional Textile, Footwear and PPE  Testing  Equipments Manufacturers Since 1997


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yarn testing machine 's qualifications and internationally authoritative certifications

Yarn testing machine has been granted with a number of qualifications and internationally authoritative certifications. As the certifications being required vary by the country of origin and the intended sales markets, please consult our Customer Service for the specific certifications. Product testing and certification do not in themselves produce high-quality products, but they ensure a quality assurance process for the design and manufacture of the product. And these products have been tested typically have testing marks. In GESTER International Co.,Limited, quality standards go beyond testing procedures and look at the quality of product design and manufacturing practices.

GESTER has been regarded as a renowned company in China. We are engaged in market research, designing, manufacturing of shoe lining testing machine. The shoe sole testing series is one of the main products of GESTER. GESTER [SATRA TM92 Whole Shoes Flexing Tester is encapsulated collectively within a high-power LED flatbed. This encapsulation technology greatly guarantees the consistency of the product, as well as enables its full automatic production. Aluminum alloy is applied to the product to prevent distortion. With a long operational life, the product can reduce labor costs of replacing bulbs in commercial situations, achieving a lower maintenance lighting system. It has been granted with CE, RoHS, TUV and other certifications.

our company intends to be among the very influential high-end brands in producing ozone aging test chamber. Get an offer!

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Heat Contact Machine GT-C101-The Ultimate Selection Guide

The Heat Contact Machine GT-C101 is a specialized testing instrument designed for evaluating the heat resistance and thermal protective performance of gloves, protective clothing, and other heat-resistant materials used in high-temperature environments. In industries such as smelting, casting, welding, and glass manufacturing, workers are frequently exposed to intense heat, making accurate testing of contact heat resistance essential for ensuring safety and compliance.

GT-C101 simulates real working conditions by measuring heat transfer delay and thermal transmission under instant contact with high-temperature surfaces. Fully compliant with EN 407, EN 702, and ISO 12127-1 standards, this machine provides precise, repeatable data for manufacturers, laboratories, and research institutions. With high-temperature capability up to 500°C, advanced calorimetry, digital monitoring, and adjustable contact speed, the Heat Contact Machine GT-C101 is an indispensable tool for developing and certifying next-generation PPE and heat-insulation materials.
ISO 17694 / ISO 5402-1: Footwear Flexing Resistance Test Methods
Footwear soles and uppers endure thousands of flex cycles during use, risking premature cracking, delamination, or chipping if material resistance is inadequate. This technical analysis details two critical international standards:

1. ISO 5402-1: Specifies the flexometer method for testing leather flex resistance under repeated bending.

2. ISO 17694: Defines test methods for footwear upper and lining flex resistance, simulating real-world bending stress to assess long-term durability.

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Exploring Taber Abrasion Tester GT-C14B: The Go-To Equipment for Precision Abrasion Test
The Taber Abrasion Tester GT-C14B is a high-precision instrument designed to evaluate the wear resistance of flat materials, including coatings, plastics, textiles, and automotive components. With adjustable speed, load configurations, and multiple abrasive media, it ensures accurate testing for industries like furniture, automotive, packaging, and dental materials.
What is the Safety Glove & Shoe Upper Cutting Tester GT-KC29
The Safety Glove & Shoe Upper Cutting Tester GT-KC29 is a high-precision testing instrument developed to measure the cut resistance performance of safety gloves and footwear uppers. In industrial and construction environments where sharp tools and metal edges pose significant injury risks, the GT-KC29 provides a reliable evaluation method by simulating real cutting motion. This tester meets EN 388 section 6.2, ISO 20344:2021 section 5.23, GB/T 20991 section 6.14, and other global standards, making it essential for PPE manufacturers, testing laboratories, and quality control departments. With automated operation, high repeatability, and multi-standard compliance, it helps companies improve product safety levels, enhance global competitiveness, and ensure superior protection for end users.
What Are the Types of Color Fastness Testing for Fabrics?
Color fastness testing evaluates how well fabrics resist fading or bleeding under conditions like washing, rubbing, light exposure, and perspiration. Key tests include rubbing fastness, washing fastness, light fastness, perspiration fastness, and sublimation fastness. These tests ensure textiles maintain color integrity, prevent health risks, and meet quality standards. Learn about different testing methods and equipment used in the textile industry.
A Complete Guide to Martindale Testing by the Best Martindale Abrasion Tester Supplier
Durability is critical for textiles and footwear, and Martindale testing is the gold standard for measuring abrasion resistance and pilling performance. This guide dives into Martindale testing’s core mechanics (Lissajous figure multi-directional friction), strategies to boost testing accuracy (sample clamping, load calibration, abrasive standardization), and compliance with international standards (ISO 12947, ASTM D4966, EN). As a top Martindale abrasion tester supplier with 25+ years of expertise, GESTER International delivers high-precision instruments (Martindale Abrasion Tester GT-C13B, etc.) certified to ISO 9001 and trusted by SGS, Bureau Veritas, and other global testing institutes. Beyond machinery, GESTER offers global technical support, on-site installation, and calibration services. The guide also includes a procurement framework to help labs select tailored Martindale testing solutions. For reliable, standard-compliant durability testing, GESTER is your trusted partner.
Understanding 3 Positions DIN Abrasion Tester : A Comprehensive Guide
This comprehensive guide explains the 3-Position DIN Abrasion Tester, a rotary drum instrument simulating real-world wear to quantify material abrasion resistance. Learn its working principle (mass/volume loss measurement under controlled friction), key features (touch-screen control, automated dust cleaning), and applications across rubber, tires, footwear, and conveyor belts. Discover compliant standards (DIN 53516, ISO 4649, ASTM D5963), step-by-step operation procedures, and essential mainte
Sweating Guarded Hotplate GT-C98 Guide: Find the Right Testing Machine for Your Needs
The Sweating Guarded Hotplate GT-C98 is a professional instrument designed to evaluate the thermal resistance (Rct) and water-vapor resistance (Ret) of textiles and related materials. By simulating human skin heat dissipation and sweating under controlled conditions, it provides accurate and repeatable data for comfort and protective performance analysis. This guide introduces the testing principle, applicable international standards, industry applications, and key technical features to help users identify the right testing machine for product development, quality control, and research.
Leather Industry Innovations: GESTER at ACLE as a Footwear Testing Equipment Factory
The global leather and footwear industry is shifting toward prioritizing durability, material integrity, and functional excellence—driving demand for high-precision testing equipment. As a highlight of ACLE 2026 (All China Leather Exhibition), GESTER International Co., Ltd., a 25+ year footwear testing equipment factory, showcases innovative solutions tailored to this trend. Trusted by leading testing institutes like SGS, TUV, and Intertek, GESTER’s product lineup includes the Martindale Abrasion Tester (for surface durability), Tension Testing Machine (for mechanical properties), and Safety Shoe Cutting Tester—all compliant with ISO, ASTM, and EN standards. These instruments integrate automation (PLC systems) and data traceability to reduce human error, support ISO 9001 compliance, and streamline laboratory efficiency. With a global service network spanning 160+ countries, GESTER offers on-site installation, calibration, and software updates to ensure long-term usability. The article also outlines strategic procurement tips for manufacturers, emphasizing modular design, standard compatibility, and supplier track records. For leather and footwear brands seeking to enhance product reliability, avoid recalls, and stay competitive, GESTER’s ACLE 2026 innovations and end-to-end support provide a definitive quality assurance solution.
Analysis of Pilling Influencing Factors and Testing Methods
Pilling testing plays a vital role in textile quality control, helping manufacturers evaluate and improve the wear performance of fabrics. Through the use of advanced instruments like ICI Pilling Box Test Method (GT-C18) , Martindale Abrasion Test Method (GT-C13B) , and Random Tumble Pilling Test Method (GT-C19A) , laboratories can conduct precise and standardized assessments, ensuring that final textile products deliver superior appearance, comfort, and longevity.
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QUANZHOU GESTER INTERNATIONAL CO.,LTD gains certificates of ISO 9001, 3A and SGS Audited supplier etc. with advanced design concept, excellent manufacturing technology and strict quality control.
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Tel: +86-595-28886108 
Fax: +86-595-22515221
E-mail: sales10@gester-instruments.com,
                 info@gester-instruments.com
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             + 86 018059983973
Address:  Block 402,4th floor, f buliding, shengfulan business Center, no.577 jitai road, economic and  Technological development zone quanzhou of fujian.China.
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