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In the leading products of Chongqing Gearbox Co., Ltd., the heavy-tooth marine gearbox is a luxuriant flower developed by science and technology. After 45 years of innovation and development, the heavy-tooth marine gearbox has been flourishing and fruitful. Tired, it is now one of the three major industries in the “331†project.
The rapid development of heavy teeth in recent years is inseparable from the brand name of heavy-duty marine gearboxes. This product is widely used in a variety of ships, yachts and ships. While continuously expanding the original three series of GW , GC and GVA products, we have continuously strengthened the ship supporting equipment, actively participated in the matching of gearbox products in the national “ Hundred Ships Project †, and improved and improved the design of high-speed marine gearboxes. And production, expanding the inland waterway and offshore high-speed traffic market; strengthening the supporting services of the ship's gearbox, the marine market has been consolidated and expanded.
 In recent years, the company has continuously innovated according to market demand, and combined with the application of modern design analysis technology, independently developed a larger size and a variety of special forms of marine gearboxes. In particular, the GW series has been re-expanded , and the company has successfully developed the largest GW6675 and GW7085 high-power marine gearboxes at that time . Subsequently, the GW7590 and CW(R)095 large-scale marine gearboxes were developed, which are currently in a leading position at home and abroad and have strong competitive advantages. GW6675 five major product model has become the largest and medium-speed diesel engines of the GW series marine gearboxes are inverted clutching function, the maximum transmit power of up to 10,000 kilowatts.
"Eleventh Five-Year" early, heavy teeth the first time succeeded in producing gearboxes for eight diesel-fired combined power propulsion, the transmission power of more than 20,000 kilowatts; subsequently successfully produced China's first joint dual diesel propulsion gearboxes its maximum power delivered more than 10,000 kilowatts; followed by heavy tooth company has successfully produced China's first 10,007 kilowatts twin - power marine gear box. The heavy gear company relies on advanced design technology, and the marine gearbox developed and produced has won wide recognition from users in the fierce market competition. It has won the third prize of “ National Quality Award Silver Award †and “ National Defense Science and Technology Award †. "national Key new product", "authority of the State product testing standards", "Chongqing well-known products," Chinese fishing machine industry "brand names" and so on; in 2007, "the tooth brand marine gearboxes" by five ministries and commissions as " Chinese famous brand "products.
In recent years, the company has continuously strengthened its scientific and technological innovation and achieved remarkable results. At present, it has formed 205 intellectual achievements , 21 core technologies , 38 key technologies and 89 proprietary technologies . It has 122 patents, including 11 invention patents . It is used in ships, metallurgy, building materials, thermal power, hydropower, railway locomotives, aerospace and other fields. It provides powerful technical support for the second venture, the billion-dollar and the century-old foundation of the heavy-tooth company.
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