Zhengzhou Yinyue Chemical Co., Ltd
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Precision temperature measurement and calibration instruments (-200°C to +2300°C), offering the best in thermometry - calibration bridges, reference/digital thermometers, calibration baths and metal block calibrators.
AZ Armaturen GmbH is an innovative, family-owned manufacturer of special industrial valves for the highest demands. Worldwide, in particular, the chemical and petrochemical industry, the semiconductor industry, fertilizer manufacturers, geothermal an
