Bergchemie J.C. Bröcking + CO. GmbH

PEAK Instruments is a high tech enterprise integrated with R&D, production, sales and service of spectrophotometers, pH meter, conductivity meter, dissolved oxygen meter, ion concentration meter, electrode, colorimeter and turbidity meter, which have

Changzhou Longcheng Organic Silicon Co., Ltd. is located in Changzhou, the center of the economically developed Yangtze River Delta. Founded in 1997, it is a high-tech enterprise specializing in the research and development, production, and operation