Among other things, Messer supplies liquid oxygen, liquid nitrogen, argon, hydrogen and CO₂ to Oerlikon Metco Surface Technology in Shanghai. The company is headquartered in Switzerland and is one of the technology leaders in the field of coating and 3D printing with metal materials. Chinese customers are provided with support in this area from the company’s Shanghai operation. Oerlikon Metco supplies the metal powders as well as the machines to process them. The company also uses 3D processes to produce workpieces for a range of customers. Our gases play a crucial role in terms of the quality of 3D printing.