China on Friday announced strong countermeasures against several US defence companies and senior executives in response to Washington's recent decision to approve large-scale arms sales to Taiwan, Global Times reported.The Chinese Foreign Ministry said it will impose sanctions on 20 US defence-related companies and 10 senior executives who have been involved in supplying weapons to Taiwan in recent years. The action has been taken under China's Anti-Foreign Sanctions Law and will come into effect immediately.According to the ministry, the targeted companies include Northrop Grumman Systems Corporation, L3Harris Maritime Services, Boeing in St. Louis, Gibbs & Cox, Advanced Acoustic Concepts, VSE Corporation, Sierra Technical Services, Red Cat Holdings, Teal Drones, ReconCraft, High Point Aerotechnologies, Epirus, Dedrone Holdings, Area-I, Blue Force Technologies, Dive Technologies, Vantor, Intelligent Epitaxy Technology, Rhombus Power and Lazarus Enterprises.Under the sanctions, .