Oceanchem Group Limited.

Introduction
As the leading supplier for Flame Retardant, Plastics Additives, Oil Field Drilling Chemicals, Pharm Intermediates, WaterTreatment chemicals base on our abundant resources of Bromines(Br) in China.With the development over half century, We have became the big group with the rich experiences in Bromine and Phosphat.

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For more than three decades, Wezek GmbH has been a competent partner in the field of electrotechnology, industrial automation and electrical installations in Germany and abroad.
On December 28th 1988, the company DURATEC Analysentechnik GmbH was founded in Frankenthal (under the former name Degenhardt GmbH).
In the first years, the special developments for spectral photometers and colour measuring instruments, and t...