How many enterprises in China produce high-speed railway track slabs?

There are hundreds, if not thousands, domestic enterprises that produce high-speed railway track slabs, and they are widely distributed. It is not good to list them one by one, whether in Gongyi, Anhui, Hubei or Shaanxi. However, according to customer feedback, there is a good high-speed rail track board manufacturer in Nanhedu Industrial Zone, Heluo Town, gongyi city City, Henan Province, which not only has complete specifications, favorable price, but also perfect after-sales service. You can go on a field trip.