Zhengzhou Yinyue Chemical Co., Ltd

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