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Yingcheng Wuhan Organic Material Co., Ltd.have more than 50 years history of production and R&D benzaldehyde derivates. We supply cinnamon series, ester series and electronic-grade ammonium series, more than 50 kinds of products.ROCKLABS is known today as a world leader in the manufacture of sample preparation equipment and gold reference materials.
When ROCKLABS was established in 1969 it was a commercial laboratory specialising in geochemical analysis and fire ass...