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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
After having made an appointment by phone, nearly all machines can be shown under working condition. Please let us know your request, we are prepared to submit detailed offers.
Este perfil de compañía está también disponible en alemán, francés y español.
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Cutting is the first step of material analysis. The selection of cutting machine and cutting wheel must comply with the geometric size and material characteristics of the sample. The perfect metallographic cutting should avoid microstructure thermal damage and deformation, and preserve the necessary accuracy and efficiency.
Hardness and ductility are the two main parameters for selecting the cutting wheel. The best choice of the cutting wheel depends on the size, hardness and ductility of the material and the equipment used. Trojan's cutting products speak with facts and the cutting process is simple, fast and accurate.
Polishing is to use a small amount of polishing powder or polishing liquid to place on polishing cloth, later the sample is polished.Purpose of polishing is to remove the deformation and scratches during the grinding process,resulting in a scratched mirror surface for microscopic analysis of the microstructure.
1:Aviation and aerospace materials2:Electronlic circuit&semiconductor
3:Automotive&parts
4:New energy industry
5:Industrial and mining enterprises
6:University of science research
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.”
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