SIGMA Ingenieurgesellschaft mbH
SIGMA -The makers of CAE analysis software: ROHR2- static and dynamic analysis of complex piping systems, SINETZ - calculation of pressure drop and heat loss in meshed piping systems
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SIGMA -The makers of CAE analysis software: ROHR2- static and dynamic analysis of complex piping systems, SINETZ - calculation of pressure drop and heat loss in meshed piping systems

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Dongying Yihai Industry and Trade Co., Ltd. is located in Dongying City, Shandong Province, a beautiful city in the Yellow River Delta. The company was founded in 2001 and has total assets of 250 million yuan and fixed assets of 160 million yuan. It
UNICAT Catalyst Technologies, LLC. was formed in January 2000 as an unrivaled company in the field of heterogeneous catalyst.
UNICAT is proud to have stayed true to this course. We have developed over 100 innovative products in niche catalyst markets