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Gester Instruments | Professional Glove, Mask, Safety Helmet, Protective Clothing & Footwear Testing Equipment Manufacturer Since 1997


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How to contact your after-sale service division?4

We are a professional astm d2444 manufacturer providing research and development, production and after-sales services. Our after-market service division is made up of several proficient service staff. They are involved in the foreign trade business for years and have full knowledge of products and industry. They are 7/24 available through phone, email, WeChat, or other contact methods. The relevant company information is posted on the official website, which is easy to notice. You are welcome to contact us anytime and anywhere.

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Time goes on. GESTER International Co.,Limited has grown into a manufacturer that specializes in developing, supplying and marketing shoes impact tester. The snap button pull test machine series has become a hot product of Gester Instruments. The design of Gester Instruments Instruments Lower Temperature Flexing Tester takes advantage of high-tech. Its parts drawing, assembly drawing, arrangement diagram, schematic diagram, and shaft drawing are all available by the mechanical drawing technologies. Its key components are made of stainless steel which is durable in use. The product is capable of meeting the most demanding production needs for many factories and helping save energy costs. The product has a high-hardness surface.

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We mandate that our employees conduct all business with outside parties in a manner that reflects our value of integrity. We will not tolerate any form of unethical or unlawful conduct.

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What Are the ISTA Standard Tests and ISTA Testing Equipment?
ISTA (International Safe Transit Association) standard tests are globally recognized transportation packaging test procedures designed to evaluate the safety and reliability of products and their packaging throughout the logistics chain. By simulating real-world transportation conditions such as drops, vibration, impact, stacking, and compression, ISTA testing helps identify potential packaging weaknesses before products enter large-scale distribution. ISTA testing equipment—including drop testers, vibration testers, incline impact machines, and compression testers—plays a critical role in accurately reproducing these conditions under laboratory settings. Proper selection and use of ISTA-compliant equipment enable manufacturers to reduce transportation damage, lower return costs, enhance packaging design, and improve customer confidence in product quality and logistics safety.
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The Cobb Test Paper Absorption Tester GT-N07 is an essential instrument for evaluating the water absorption properties of paper and paperboard materials. This test, commonly known as the Cobb method, helps determine how much water paper can absorb over a specified time under controlled conditions—crucial for assessing its suitability in printing, packaging, and coating applications.
Sweating Guarded Hotplate GT-C98 Guide: Find the Right Testing Machine for Your Needs
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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.
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What is the Safety Glove & Shoe Upper Cutting Tester GT-KC29
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Shoes & Leather - Guangzhou 2025: GESTER Showcased Footwear testing Equipment on Site
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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
Mobile/Whatapp/ Wechat:  
             + 86(0)18059985379
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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