The concentrate is the value part obtained after mining and selection. The raw ore is just the stone containing the target ore, and the difference between these is still very large.

It is also a truck that takes ten tons of goods. If you replace ten tons of concentrate with raw ore, it may take one hundred and one hundred and fifteen to twenty cars, and the cost will naturally increase.

This is also the reason why Zhang Yanming immediately took a railway line here.

At this time, the advantages of railways emerged. A mine car can pull at least thirty special carriages and sixty tons per car, which is far from comparable to cars.

Moreover, the transportation speed of railways is also safer and more reliable, especially those that cannot be compared with mountainous highways.

Compared with the results obtained, the billions required for railway construction will not feel that it is expensive after the railway is built. Moreover, the Chengdu Railway Bureau will pay the bill after the railway is built, but it only needs to pay in installments.

Of course, it is impossible for mining to use railways in vain, and it still requires payment, which is quite cost-effective.

As for the expressways that are accompanied by it, it is really a way to contribute to the country and local governments. In fact, whether it is the Bashu government or the country, one of them will definitely pay it back.

It's still the same thing, it only requires installment, and it's a matter of more than ten or twenty years.

There is no need to say this explicitly, both the place and the above are clear.

After all, mining transportation cannot be used for highways, and large trucks transporting mines cannot be withstand the highway, so they can only follow the original mountain national highway.

However, after the expressway is completed and opened to traffic, no one will like to walk around the national highway and circulate around the mountains. It is equivalent to having a special transportation road to fill some shortcomings of the railway.

Having said that, the biggest significance of this railway and highway is to enter Tibet. It is not just an increase in the route to enter Tibet, but the speed will greatly reduce the time required now.

There are two roads to Tibet at this moment, both of which need to be circled in a large circle, and the road conditions are not very good, and they need to be tested by various conditions in the middle. As for the railway... there is not yet.

Therefore, as soon as Zhang Yanming's plan was proposed, it was quickly sent to the top. Even the Central Committee convened the members of the Beijing committee to discuss it twice, and even called Zhang Yanming over for explanation.

Everyone understands that Zhang Yanming actually has no need for a mining industry to build highways and railways, and there is no need to improve the roads and facilities in the mining area. This is making contributions.

In fact, this is Zhang Yanming's gratitude to himself for entering the Central Committee, in his own way.

The arguments about railways and highways are quite fast, and all kinds of materials are actually ready-made, and our motherland is actually so powerful.

Many railways, highways and resources plans have actually been implemented fifteen or twenty years later, including demonstration and various exploration and testing.

It’s just because of various reasons, mainly because of the funding issue, and it needs to slow down.

It is not that easy to manage a country. There are many big and small things in all aspects like stars. They are often connected one by one, which moves the whole body, which is related and influences each other.

Then various approval documents, including data, and materials arrived at Fengcheng. Only then did Sun Hongye realize that his men were going to make a big deal again, so he paid attention to the mining information.

As a result, after paying attention, I realized that mining is really not that simple, but the data in recent years has made her a little shocked, and the more I look at it, the more I feel frightened.

However, after Zhang Yanming explained it, she understood and felt much more relieved.

The Scorpion Gou area is a large mining area, mainly iron, gold, silver, copper, iron, lead, magnesium, coal, limestone, etc. It can be said that the mine is just found on a mountain to dig a few picks.

The mining areas there are basically open-pit mines, which are the safest mining methods in the mining industry. The most dangerous mining thing in the world is coal mines, all hidden underground.

The reason why open-pit mines are safe is not just that they do not need to dig holes, but that large-scale machinery can be used to reduce labor positions, and the space for personnel activities is in the rear safety area.

This is quite Naais. After all, Zhang Yanming and Sun Hongye cannot achieve the level of death in the ground without being moved and being at ease. They will definitely be very worried and blameless at that time.

"We don't need to do too much here, just leave it to Xinxing. Oh, and there is also protection, we basically don't have to worry about anything."

"Road? No, I'm worried about this, it's mining. The open-pit mine is fine, and the equipment doesn't cost much. Do you want to buy the big trucks that we have?"

"170? Can't you use it?" Zhang Yanming was not very clear about this.

This thing needs to be estimated and reported by the mining industry, and it must be calculated carefully. It is not that you can use the size of the cart you want to use, so as to avoid insufficient or waste.

"Uncle Second, what is 170?" Tang Doudou raised her head and asked a question.

"170 is a big truck, a big and big one." Zhang Yanming raised his hands and gestured.

"So big?" Zhang Xiaoyue also stretched out her arms: "How big is this?"

"Uh..." Zhang Yanming thought for a while, looked up at the house: "The car is taller than our house. I'll reach half of its tires. I have to climb a very high ladder when I get in the car."

The two little girls with tires have a concept. Imagine that Zhang Yanming is only halfway through, and both of them feel extremely surprised with their mouths.

"It, how many wheels does it have?"

"Six, two in front and four in the back, side by side, just a car."

The standard railway freight carriage can fit six 170 tires at a time. It is the type of vacuum tire without an inner tube.

In terms of cost, a tire can almost be replaced with a good house in Beijing in 2001. It costs more than one million yuan within the Third Ring Road, and the second-hand goods can easily reach 500,000 yuan.

Mainly, the housing prices in Beijing have risen, and this is the price of this tire in 1995.

The family of four just walked around the yard for a while. Seeing that Sun Hongye's mood had almost eased, Zhang Yanming asked her to accompany the child and go to the front yard to handle something by himself.

There were several documents in the morning before I could process them.

After leaving the second gate and coming to the front yard, Zhang Yanming accidentally looked at the side door and found someone standing there because the light was already a little dark and the house was still covered, so he couldn't see clearly.

"Who?" Zhang Yanming asked, and walked over his legs.

His assistant or Sun Hongye's assistant can recognize him even if he can't see clearly. Besides, he will definitely say hello first when he sees himself coming.

"Hello, Mr. Zhang, I'm sorry to disturb you, I'll leave right away." It's the aunt at home.

Because the aunts in the yard only need to clean the public space and wipe the corridor columns, Zhang Yanming is actually not very familiar with them. Zhang Ma should be more familiar with her.

"Don't, I'm not driving you. What's wrong?" After getting closer, Zhang Yanming saw the person clearly, and the aunt was obviously crying here.

This definitely can't let her leave like this, I have to figure out what's going on.

"It's okay, sorry, I won't know."
Chapter completed!