Jinshan, the predecessor of Tianjin Cable General Factory, was very good at first, but it was acquired by nanhua futures a few years ago. Nanhua futures thinks that if he doesn't make money as a wire rod, he doesn't pay much attention to Jinshan, which leads to the decline of quality and the sharp shrinkage of the market in recent years, but on the whole, it is better than Tianjin entering Tianjin North. Haiyan, formerly known as Junliangcheng Wire Factory of the State Administration of Land Reclamation, has a long history and has a strong momentum in recent years. The quality of a single domestic civil wire is low, and the price is also high. Because of the high price, the project is rarely used, so it mainly faces the civilian high-end customer group, and of course some high-end projects will not be bad for money. Fengda has never heard of it, so it's probably not very good. In addition, you can compare the threads, such as Haiyan and Jincheng, and there is a big gap. It is recommended not to look at advertisements and manufacturers' so-called annual output value. It is not uncommon for a workshop in Gongyi, Henan Province to make fake threads for hundreds of millions a year. Baosheng's annual output value is the largest, but it is mainly buried in the air with large cables, and the quality of wires is very average, so its good products do not need to be decorated or ordinary projects at all.