Diener Precision Pumps Ltd.
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Main products: cresol red, bismuth nitrate, zinc acetate, 1,10-phenanthroline, fuming sulfuric acid, etc. Bismuth nitrate, sodium chromate, lead dioxide, phenanthroline, thymolphthalein, Shenyang Xinguang Chemical Plant
During the Fifties, the Chemical Analysis Laboratory started working on petroleum product control as a facility of Attilio Carmagnani "AC" S.p.A..
The Lab then specialized in chemical products and solvents; when, at the end of the Seventies,...