The daughter of a general is reborn to save the whole family of the marquis

After the ceremony, the guard followed his companions, turned around and left, but before leaving, he looked at Chu Heyi deeply.

That look made Chu Heyi realize that he would come to see her again sooner or later.

She returned to the Zhenbei Marquis Mansion at the age of fifteen. Four years have passed now, but that person was able to recognize her at a glance and knelt down to greet her calmly. It was obvious that he knew her experience and identity long ago.

Chu Heyi hasn't thought about the days before the age of fifteen for a long, long time.

But now, the memories of the past come back to my mind.

At the age of fourteen, she escaped from the Jia family with the help of Shu Xiao and wandered outside for a while.

She was very young at that time, and she had run out of money and could not find a way to support herself. That winter, the snow was so heavy and the wind was so cold that she almost froze to death on the street.

It was Miss Xu who rescued her, provided her with food and clothing, and treated her like a real sister. She stayed in the Xu family for two months, and then followed Miss Xu to marry into the Ni family.

The incident happened in the Ni family.

Later, she was chased and fell into the river. She floated downstream and was brought back to the Zhenbei Marquis Mansion by her eldest brother.

She didn't want to think about that period of time, and kept telling herself in her heart that what she had done in the Ni family had repaid the favor she owed Miss Xu, and they no longer owed each other anything.

But now Miss Xu's brother has actually come to Shengjing City from Yizhou and worked as a guard in the palace.

The eldest brother of the Xu family came for her. His salute and the way he greeted her just now all proved this point.

"Crown Princess, His Royal Highness invites you to the Yuelin Palace." Baihua found Chu Heyi, strode over, and said, "The Miss Tong from the Yuelin Palace said that she has recovered from her illness and can show the method of making cement."

"Really?" Chu Heyi was a little surprised: "It's only been fifteen days, and she has recovered from her illness."

The speed at which Tong Xiling recovered was beyond Chu Heyi's expectations. She thought it would take at least twenty days or more. It seemed that Tong Xiling was really anxious to get Xie Lin's recognition.

In other words, Tong Xiling was anxious to get rid of her.

Chu Heyi said: "Let's go over and take a look."

When she arrived at Yuelin Palace, Chu Heyi saw that Xie Lin had already arrived. He was sitting in a large carved wooden chair with one hand resting on the armrest and looking at the door. When she went in, their eyes met.

Chu Heyi collected his thoughts and bowed, saying, "Greetings to His Royal Highness the Crown Prince."

Xie Lin said: "Come sit over here, and let's see if the method Miss Tong wrote is feasible."

Chu Heyi immediately sat down on the big chair next to Xie Lin, and someone immediately brought him some brewed tea.

Tong Xiling, who was sitting at the table writing, looked up at the two of them. She did not express any dissatisfaction with Xie Lin letting Chu Heyi sit next to her, and continued to write her work with her head down.

Chu Heyi looked at her carefully and saw that she was only wearing a single layer of clothing, looking very frail, as if she had just recovered from a serious illness.

Was he doing it on purpose in front of her, for Xie Lin to see?

"Your Highness, please take a look. This is how cement is made." Tong Xiling finished writing and handed the list to Xie Lin.

When Xie Lin took it and looked at it, he found that limestone, clay, iron ore, gypsum, coal powder, etc. were needed, and the proportions of each aspect were written on it.

In addition, it also writes about the production process and things that need attention, which is really comprehensive.

Tong Xiling smiled gently and said, "Your Highness, now that you have read it, you can ask this young lady to take a look. If there are no problems, we can try to make it according to the method and see if it is really effective."

Tong Xiling took the list from Xie Lin's fingertips and handed it to Chu Heyi personally.

Even in her previous life, Chu Heyi didn't know how to make cement. Even if the order was handed to her, she couldn't be completely sure that it was real.

She said, "Miss Tong is right. We should make cement according to the method on the list. If it succeeds, the list will be real."

Tong Xiling raised her eyebrows, her eyes flickering as she passed over Chu Heyi and Xie Lin's faces: "If I succeed, it will not only prove that I can make cement, but also prove that I am the real Crown Princess!"

Xie Lin stood up and said, "Wangshan, prepare everything according to the list given by Miss Tong."

"Yes!" After Wangshan agreed, he took the list and went out to prepare.

This was a process that took a long time. During this process, Xie Lin went to Mingde Hall to meet with ministers and discuss state affairs with them. Tong Xiling stayed in Yuelin Hall to continue resting. Chu Heyi returned to Changning Hall to wait for news.

It was not until the evening that everything was ready.

Xie Lin, Chu Heyi and Tong Xiling came to the backyard of Mingde Hall together and looked at the things piled up like a small mountain.

Wangshan found some special people and asked them to configure the equipment according to the proportions on the list.

Xie Lin, Chu Heyi and Tong Xiling were all sitting on chairs on the side watching, but the production process required crushing and high-temperature calcination, which would take a long time.

Therefore, late at night, they finally went back to rest. The next morning, after Xie Lin finished the morning court, he came again with Chu Heyi and Tong Xiling to check.

After a busy night, cement has been produced. Tong Xiling said: "This stuff needs to be mixed with sand to play its due role."

She told him the proportions and the cement worker mixed the cement mortar.

Tong Xiling said: "Now use cement mortar to build a wall. It will never collapse even if it is exposed to wind and rain."

The cement workers used cement mortar and stones prepared in advance to build a one-meter-high wall in the backyard of Mingde Hall.

Xie Lin called the cement worker over and asked, "How do you think this cement mortar performs compared to the glutinous rice mortar?"

They have always used glutinous rice mortar to build tombs, pagodas, city walls, etc.

But glutinous rice is food. When the people are not rich all year round, it is too wasteful to use glutinous rice to build city walls. The country can hardly afford such consumption.

But if cement mortar can replace glutinous rice mortar, it can not only be used on a large scale, but also greatly reduce costs. For a country, it is simply beneficial with no harm.

The cement worker said, "In the process of erecting this wall, I did not find much difference between the two. I need to wait for a while to see if this wall can withstand the sun, wind and rain, and then I can know the difference between it and the glutinous rice mortar."

Xie Lin nodded slightly, told him to go down and rest, and asked Wangshan to arrange someone to watch the wall and wait for ten days or half a month to see the results.

Chu Heyi walked forward and stroked the still wet wall with her fingers. It was exactly the same as what she touched in her previous life when the Chu and Xie families were buried alive.

Hard and cold.

Xie Lin saw the pain on her face and said nothing.

That evening, Chu Heyi had just finished dinner in Changning Palace when Baihua came in from outside and handed her a letter.

After Chu Heyi opened the letter and read it, he was very surprised, because the letter was sent anonymously.