For now, the stock of titanium metal in the earth is ranked in the top five, while the titanium alloy tube is more and more common in the space industry, because there is no other metal that can replace the corrosion resistance of the titanium material.

But it is still a certain time for bicycles to widely use titanium alloy tubes. Because the smelting cost of titanium alloy pipe is high, the welding technology is still not up to the requirements, the most important is that people's living water is not high enough.