With the development of China's high-speed rail two years of rapid development, high-speed rail on the tender one after another, as a sound barrier manufacturers clerk want to let the forum master told me why every sound barrier criteria are not the same!
He was doing business at the time, he stepped down, the competition is more intense, but each time the standard is not the same, every time before the iron construction tender with other companies to develop an exclusive standard, this is a bit too blatantly It!
He was doing business at the time, he stepped down, the competition is more intense, but each time the standard is not the same, every time before the iron construction tender with other companies to develop an exclusive standard, this is a bit too blatantly It!
He was doing business at the time, he stepped down, the competition is more intense, but each time the standard is not the same, every time before the iron construction tender with other companies to develop an exclusive standard, this is a bit too blatantly It!
