砂纸的31家公司 ✓ 来自 4 个国家的 B2B 制造商、经销商和供应商 ✓ 提供快速信息和价格的特别服务 ✓
Since its foundation, EFCO has developed into a leading developer and manufacturer of repair and testing technology - both in terms of market share and technological progress. The products are sold in over 80 countries by the company`s own sales organisation and competent partners.
All products are developed in-house and tested in practice. Experience gained from the use of many clients flows directly into product development. Maintaining the production and development site in Germany is one of the top priorities. EFCO rightly stands for the quality label ‘Made in Germany’ and has been TÜV CERT ISO 9001 certified since 1996.
The family-run company is managed by the second generation of an experienced management team. EFCO specialises in precision machines and equipment for the repair and processing of sealing surfaces on valves, flanges and pipelines. Through innovative developments and the exchange of know-how with clients, EFCO has established a precautionary repair culture that enables significant economic savings.
The product portfolio includes
- Transportable grinding and lapping machines for sealing surfaces on valves and gate valves
- Transportable turning technology
- Stationary grinding and turning technology
- Flat lapping machines
- Transportable testing devices for safety valves
- Mobile and stationary valve test benches
- Spare parts and consumables for repair, maintenance and testing of valves
- Transportable grinding and lapping machines for sealing surfaces on valves and gate valves
- Transportable turning technology
- Stationary grinding and turning technology
- Flat lapping machines
- Transportable testing devices for safety valves
- Mobile and stationary valve test benches
- Spare parts and consumables for repair, maintenance and testing of valves
In 2004 the company pasend the ISO9001 quality management system certification, in 2011 the company obtained CE certification, laid the foundation for a comprehensive international markets.
Weiyi company owns two wholly owned subsidiaries, Feng Feng Grinding Wheel Co.,Ltd and Shandong Weiyi important and export Co., Ltd. Feng Feng Grinding wheel Co., Ltd product Weiyi metallographic cutting wheel and Liboshi High resin grinding wheel and polished piece, these products were exported to more than 70 countries around the world.
Weiyi has owned the first market share of the industry for many years.
A number of key national research institutes, laboratories project as “First Research Institute of Ministry of Public Security Testing Center”, “8 Institute for Nuclear Industry”, “China Railway Science Research metals and Chemistry Institute”, “China Helicopter Design Institute of Physical and Chemical Testing Center 602 metering”, “Chinese Academy of Sciences Lanzhou Institute of Chemical Physics Solid Lubrication State Key Laboratory”, and hundreds of colleges and universities including Tsinghua University, domestic steel company, more than 120 automotive manufacturers are in practical Wei-Products.
WEIYI can design and develop metallographic equipments according to the user’s special requirements.
WeiYi’s quality policy is Standardized management, focusing on quality, continuous innovation, sincere service.”
Whatever you need for quality testing and material analysis, QATM has it all: As a manufacturer of high-quality machines for materialography (metallography) and hardness testing, we offer the most comprehensive solution for your needs. We not only supply a wide range of instruments but also accessories, consumables, complete laboratories and tailor-made special-purpose solutions.
We aim for highest quality
Quality is actually part of the name QATM! Our innovative cut-off machines, mounting presses, grinders, polishers/electrolytic etchers, as well as hardness testers and analysis systems provide maximum reliability and flexibility. The R&D departments for hard- and software work in close cooperation with our customers to ensure continuous optimization of our products. QATM is certified according to EN ISO 9001:2015 to make sure our internal procedures for conception, development, purchasing, sales and service are efficient and in accordance with our high standards.
Customers all over the world appreciate QATM’s extensive sales and service network as well as the direct communication with our experts. The comprehensive expertise and creativity of our qualified staff are the basis for the consistent high quality of our solutions.
QATM offers:
Modern production engineering and high vertical integration
Optimum control of every single component of our machines guarantees reliable QATM product quality “made in Germany” and "made in Austria".
Application consultation and end-user seminars with individual focus
Our application experts ascertain parameters and equipment configurations best suited for your sample preparation process.
In-house hardware and software development
QATM hosts the complete R&D process in-house to be able to offer customer-specific solutions. Tailor-made solutions to meet individual requirements are our strength.
- 砂纸 | 磨料、研磨剂 | 滑动薄膜
- 砂纸 | 磨料、研磨剂
- 砂纸 | 砂带 | 砂轮
- 砂纸 | Klett 砂轮
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- 砂纸 | 磨料、研磨剂
- 砂纸 | 研磨底座
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- 砂纸 | 翼片砂轮 | 平面砂轮
- 砂纸 | 扇叶
- 砂纸 | 研磨纺织 | 研磨底座
- 砂纸 | 磨料、研磨剂 | 研磨纺织
- 砂纸 | 研磨纺织 | 研磨底座
- 砂纸 | 研磨纺织 | 研磨底座
- 砂纸 | 手工研磨纸张
- 砂纸 | 研磨纺织
- 砂纸 | 磨料、研磨剂 | 滑动薄膜
- 砂纸 | 砂带磨床 | 翼片砂轮
- 砂纸 | 研磨纺织
- 砂纸
- 砂纸 | 磨料、研磨剂 | 研磨底座
- 砂纸 | 研磨纺织 | 研磨底座
- 砂纸
- 砂纸 | 研磨纺织
- 导言 木马金相砂纸耐水性好，经久耐用，使用寿命长。沙粒 表面均匀，优异的磨削特性可以最大限度地减少样品的变形。 金相砂纸由精选、大小均匀的碳化硅磨粒制成，具有优良的 研磨效果。采用静电打磨工艺制成的耐水金相砂纸具有 磨粒分布均匀，磨削锋利，经久耐用的...
切割是材料分析的第一步。切割机和切割轮的选择必须符合试样的几何尺寸和材料特性。完美的金相切削应避免显微组织热损伤和变形，并保持必要的精度和效率。
硬度和延展性是选择切割轮的两个主要参数。切割轮的最佳选择取决于材料的尺寸、硬度和延展性以及所用设备。特洛伊的切割产品用事实说话，切割过程简单、快速、准确。
抛光是用少量的抛光粉或抛光液放在抛光布上，然后对样品进行抛光。抛光的目的是去除研磨过程中的变形和划痕，从而产生划痕的镜面，以便微观分析微观结构。
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