Germany.
The first company, Youcaifu, is the only company in the world that can produce this at gearbox and DCD gearbox at the same time. In the field of AT gearbox, its 8AT has been applied to BMW, and this 8AT is the top in the industry in terms of shift speed, ride comfort and shift logic. In addition, PDK, a dual-clutch gearbox jointly developed with Porsche, has also been applied to this Porsche. The cost of this gearbox is very high, which is equivalent to a normal golf. Its shift time is 0.04 seconds. It is only 0.02 seconds in sports mode, and can withstand 50 consecutive ejection starts without performance attenuation. It can be said that this BDK is the best dual-clutch gearbox in the world.
The second, Gothic, was acquired by Michella. He used to be one of the four largest gearbox companies in the world, second only to Jetco. Mainly, it sold the technical medicine of dual clutch to this automobile manufacturer. For example, many domestic cars used Godric's clutch and its control unit. It's just Godrak, which lacks a top gearbox.
Third, doctors, the products provided by doctors are very, very many. Almost every car will have a doctor's voice, such as spark plugs, ABS and EB systems. It holds thousands of patents. Although Dr does not produce gearboxes, 80% of CBD steel belts in the world are produced by Dr. Therefore, almost all Japanese cars are inseparable from the doctor, and the life of the CBD steel belt he developed can reach 300,000 kilometers. For now.
Japan.
The first company, Aisin Economic, developed a DVD gearbox, which is very mature and reliable, and the shifting software is smooth. And it is not expensive or economical, so it is applied to many low-end models. But it will also produce 8AT, which is mainly used in mid-to high-end models, such as Toyota Camry and Asian Dragon. However, there is still a gap between the technical level of this 8IT and this fortune.
The second company, Jetco, mainly makes ah and CVD gearboxes, and its shipments are very, very large, accounting for 50% of the global CVD gearboxes. His clients mainly focus on daily life and Mitsubishi. However, his problem is the core. The technology of CBD steel belt is in the hands of doctors.