Oswald Metzen GmbH
Oswald Metzen is your partner, reliable and future-oriented, who looks after all phases of the plant construction.
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Oswald Metzen is your partner, reliable and future-oriented, who looks after all phases of the plant construction.
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Costenoble has been an internationally renowned manufacturer and a reputable trading house of chemical raw materials, additives and specialty chemicals for over half a century.
Yancheng Longsheng Fine Chemical Factory is a technology-based private chemical enterprise that integrates scientific research, development, production, and operation. It mainly engages in the production and operation of brominated alkane series and