西德梅萨斯·普罗佩斯研究工程公司是扬克·昆凯公司的一家子公司。1969年通过发展“北极星”导弹与“民兵”火箭的固体火箭推进剂的杜帕利斯混合机,首次与火炸药工业建立了联系。以后在与一些火炸药机构以及火炸药设备厂,如费劳恩霍费尔火炸药研究所(ICT)、梅塞尔斯密特·勃尔科夫·布洛姆有限公司、博福斯公司的合作中得到了发展。 Syed Methus Propez Research & Engineering is a subsidiary of the Yank Kunkai company. In 1969, through the development of the Dupallis mixer for the solid rocket propellant of the “Polaris” missile and the “militia” rocket, the first contact with the explosives industry was established. Later with some explosives and explosives equipment factories, such as the Fraunhofer Institute for Explosives (ICT), Messerschmidt Blkoff Blom, Bofos The cooperation has been developed.