B & M Optik GmbH
Our product range includes, amongst others, spherical and aspherical lenses, planed optics and filters of all kinds, framed and unframed.
Introduction
Our product range includes, amongst others, spherical and aspherical lenses, planed optics and filters of all kinds, framed and unframed.
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Wenzhou Dongsheng Chemical Reagent Factory was founded in 1988 and is located in Qianjing Industrial Zone, Yangyi, Wenzhou. It is a professional manufacturer of chemical reagents. Equipped with advanced production equipment and auxiliary facilities,
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