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德國Eltra  
ELTRA的首臺碳硫分析儀在20世紀80年代問世。 ELTRA成立之初就以最優的性價比為企業宗旨。今天仍然保持這一理念?，FELTRA在世界范圍內已擁有近千家客戶，并且還在逐年穩步增長。在世界范圍內鞏固老市場的同時也開發了許多新市場，現產品已成功進入中國、美國、波蘭、印度以及西歐一些國家。氧、氮和氫分析儀的市場份額增長迅速。涉及鋼鐵、汽車、采礦和航天工業等多個行業。

In the early 1980`s the development of its first Carbon and Sulfur Analyser let to the creation of ELTRA. Initially ELTRA`s objective was to offer high quality products at affordable prices. This still remains the foundation of the ELTRA policy today.
Proof of the success of this policy is the hundreds of satisfied customers worldwide. With the creation of new levels of performance to price ratios ELTRA`s World market share has rapidly increased.
The introduction of Oxygen, Nitrogen and Hydrogen analysers has meant year by year ELTRA has entered new markets in many different countries.
The steel, automobile, mining and aerospace industries, among others, are all custumers of ELTRA.