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High-Speed Rail Brake Disc The braking system is the key technology of high-speed railway, and the brake disc is the key component of the braking system. China has more than 20,000 kilometers of high-speed rail, making it the world's largest high-speed rail network.But the brake disc has been ... Read More
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National interest, National strength and National pride Breaking the international monopoly, China has become the world's largest owner of the technology and design of the vertical extruder for large caliber thick wall seamless tubes China is a large energy consumer, and there is still a huge energy ... Read More
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