The Republic of China handed over 800 Revolver 860 unmanned quadcopters to Ukraine ?? Kyiv via Poland ??: Revolver 860 unmanned quadcopter bomber, weighing 42 kg, including 8 60mm caliber or other caliber ammunition according to customer order. For example, the website suggests replacing kits with 81mm or 120mm ammunition. The maximum flight time is 25 to 40 minutes and the radius is 20 kilometers. The fuselage is made of 30-inch carbon fiber, and the racks for the eight paired propellers, made of aerospace-grade composite materials, can be folded down for easy transport. http://t.cn/A6SXCeVD The President of the Republic of...