VALV AG

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We are an international company which plans, constructs, sells or rents and operates plants for purification of water, soil, air and biogas.
Depollution of contaminated sites by using innovative methods, removal of asbestos/hazardous materials and b
Jilin Aolaide Optoelectronic Materials Co., Ltd. is a high-tech enterprise specializing in the research and development, large-scale production, sales, and service of organic optoelectronic materials. The company was founded in June 2005 and is the f