The aircraft model is based on the B747-400 aircraft of Hong Kong Dragonair Corporation, China, and is produced according to the actual size of the aircraft by scaling-down (1:437). The fuselage and bracket are made of zinc alloy die casting, the base is made of transparent plastic, which is strictly controlled by experienced technicians during the production process. The craft is fine and the image is vivid, and it is a fine product of the same kind!
  We take "quality first, honesty and enterprising" as our production and management philosophy. Our company regards product quality as the life of the enterprise. Over the years, the product quality has been stable and won by quality in the competition, which has established firm confidence and excellent reputation in the hearts of users. "High quality and low price, considerate service" to meet customer requirements to the greatest extent. Our company can continuously grow and develop in the competition, which depends entirely on the support and trust of users. Our firm warmly welcomes customers at home and abroad to choose samples and order and customize samples!

Model introduction: wave sound 747-400 is a major improvement based on wave sound 747-300, which is an improvement and extended range of 747-300. In 1985, the B747-400 plan was officially launched, and new electronic instrument panel equipment was installed. From 747-300 three-human made analog driving cabin to double-human made digital cockpit. Only two pilots were needed to drive, and Flight Engineer was no longer needed.
  The digital cockpit uses digital aviation electronic instrument panel and color multifunctional monitor, equipped with six large CRT display screens to replace the traditional dashboard. In appearance, the wing tip of the wing is 1.83 meters longer, and 1.83 meters high wing tip wings are added to reduce resistance, which can increase the voyage by 3% and reach 13,450 kilometers. The winglet is also an obvious difference between its shape and the 300 type. Advanced aluminum alloy is used to reduce the weight of the wing and landing gear by 3.5 tons, and an oil tank is added to the horizontal stabilizer. Install a new engine and redesign the interior of the cabin. Compared with the previous 747 models, the improved 747-400 has a longer range, higher fuel efficiency, and lower noise and operating costs. There are 747-400 passenger models, mixed passenger and cargo models.

  Bo Yin 747-400 first flew on April 29, 1988, and was delivered to Northwest Airlines on February 9, 1989 for use. After May 1990, it was the only sound 747 model in production. By 2007-400 passenger aircraft model stopped production, only the cargo aircraft model was retained to continue production. By October 2007, 670 747-400 passenger planes had been delivered.