Oswald Metzen GmbH
Oswald Metzen is your partner, reliable and future-oriented, who looks after all phases of the plant construction.
Introduction
Oswald Metzen is your partner, reliable and future-oriented, who looks after all phases of the plant construction.
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Established in 1996, Ningbo Yinzhou Chaoyang Shengda Chemical Factory is one of the few companies in East China specializing in the production of industrial grade phosphate series products. It currently has 30 employees, covers an area of 10 acres, a