Exspecta GmbH & Co. KG

The Westfalen Group is a technology company in the energy sector with a total of 23 subsidiaries and associated companies in Germany, Belgium, France, the Netherlands, Austria, Poland, Switzerland and the Czech Republic. Founded in 1923, the family

Jinan Yudong Technology Development Co., Ltd. is a comprehensive chemical enterprise that integrates scientific research, production, and sales. Since its establishment in 2002, the company has been committed to researching, developing, and producing