Apple ’s new iPhone 14 series smartphones unveiled last Wednesday have proven so hot in China that a deluge of pre-orders crashed the tech giant’s online services and pushed shipments out five to seven weeks beyond the September 16 launch date for the Pro and Pro Max, the two most premium models. By Saturday, 24 hours after pre-orders opened, Chinese consumers had placed more than 2 million orders for iPhone 14 devices through the official Apple Store on JD.com , continuing the strong demand that JD saw last year for pre-orders of the iPhone 13 . Prices for the latest…