Two executives of drone supplier Jiin Ming Industry Co have been detained and held incommunicado over the company’s alleged use of prohibited China-made chips and camera lenses in drones supplied under military contracts, the Taoyuan District Prosecutors’ Office said yesterday.The prosecutors said i. Add TT as Preferred Source Two executives of drone supplier Jiin Ming Industry Co have been detained and held incommunicado over the company’s alleged use of prohibited China-made chips.