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For example, for Hu Weidong, a Shijie-level ammunition expert, he is too familiar with tungsten as a special metal, and naturally knows how to refine it from tungsten sand, but it is not so easy to put it into industrial production. Hu Weidong was busy with military affairs, and the troops were preparing to go north to resist Japan, and he had to give up this work for a while. But after obtaining the batch of scientific and technological talents mainly from Zhejiang University and a lot of "advanced" (relative to the original Soviet area) machinery and equipment, the original problem was suddenly solved, among which the chemical expert (the professional classification of science in this period is not as detailed as later) Li Shouheng is even greater, after Hu Weidong pointed out the key steps in the smelting process, the scientific research team led by him has produced tungsten concentrate, tungsten concentrate powder and dense tungsten ingot samples in just ten days, and established a complete set of industrial production processSince then, it has ended the embarrassing history that China has the first tungsten ore reserves but can only produce low-grade raw material net tungsten sand, and has caught up with and surpassed the advanced level of shijie in one fell swoop. When the first furnace of trial production of tungsten concentrate powder out of the oven, Li Shouheng, who is already close to the age of confusion, excitedly hugged and cried with his assistant, and since then he admires Hu Weidong even more, because of his lofty status and academic attainments in Zhejiang University, Li Shouheng's attitude change has affected many people, so that Hu Weidong is gradually able to lead these easily unconvincing scientific bulls without much effort. But at present, Li Shouheng resolutely refused to listen to Hu Weidong's persuasion and insisted on staying in the Soviet area until the construction of the tungsten smelting plant was completed

Hu Weidong knew that Li Shouheng's idea was not entirely unreasonable, and if these experts left, it was really difficult to say whether the Soviet area, which lacked Jishu's guidance, would be able to successfully complete and put the tungsten smelting plant into operation according to the plan. However, the conditions for scientific research in the Soviet area were very poor, and after the research and development of several low-demand topics that Hu Weidong racked his brains to come up with, these experts had nothing to do. But Li Shouheng and others insisted that they could wait for Hu Weidong to find a more haode scientific research base before picking them up, and if they couldn't do it, they could even take a plane, although it was a bit dangerous, but it was not bigger than following Hu Weidong on the road, after all, who knows if the Red 15th Army could find a new base with more conditions in a short period of time after going north?

Hu Weidong had nothing to say about this, although he had a very suitable goal in mind, but now he must not leak secrets, Zuihou had to agree to the request of Li Shouheng and others, so that those experts (pilots are the same) and their necessary assistants and technicians who have projects in progress, or can work in the Soviet area, and their necessary assistants and technicians are retained, and in order to streamline the team, some inferior workers and cadets are also left in the Soviet area, so that the number of non-combatants accompanying them is reduced to less than 50,000. After hard work, these people built the first thermal power plant, the first hydropower station (a miniature hydropower station with an installed capacity of only a few hundred kilowatts), the first non-ferrous metallurgical plant (copper, zinc and lead), the first electrolytic refinery, the first machinery factory, the first iron and steel plant, the first sulfuric acid plant, the first nitric acid plant, the first explosives factory, and the tungsten smelter that later became the economic pillar of the Fujian, Jiangxi, Zhejiang, Guangdong, and Anhui border areas. But after all, a group of Jishu talents were cultivated, and the economic and financial situation of the Soviet area was greatly improved, especially the arsenal benefited a lot, and even if the outside blockade continued, at least the production of guns and ammunition could always be barely maintained

However, in order to protect them and the safety of the factory, Hu Weidong was forced to leave some more troops down, so that the total strength of the Red Army in the Fujian, Jiangxi, Zhejiang, Guangdong, and Anhui border areas exceeded 50,000, and more than 20,000 wounded soldiers who should have been able to recover and return to the army were left. Moreover, in order to protect the factories, the operational flexibility of the Red Army in the Soviet area was greatly reduced, and many times it had to fight hard with the enemy, but fortunately, there were arsenals to replenish ammunition, and the situation was much better than that of the Central Red Army during the Fifth Anti-Encirclement and Suppression period...,

In late July 1935, the main force of the Red 15th Army and a total of 150,000 non-combatants left Guixi County, Jiangxi Province and advanced westward. Even like Kang Ze, the scum who wantonly killed innocent people with the armor protection law, continued to "clean up the door" for the Kuomintang

Because Hu Weidong had already had this idea, before the troops left Guixi, hundreds of special combat teams led by Long Feibao had already infiltrated Nanchang City and lurked, and some of the special forces once again took up the work of artillery observers, so that a large number of field artillery of the Red 15 th Army could accurately hit some important military targets in the city, but the national army in the city could not effectively return fire because they had never been trained in this kind of indirect guided artillery bombardment, and their morale suddenly plummeted. And when the Red Army used the field artillery with a relatively long range to destroy the artillery positions of the defenders, the shorter range of super-caliber mortars and "unconscionable artillery" also boldly approached and opened fire, its power comparable to that of large-caliber heavy artillery suddenly broke the confidence of the defenders, in the rumbling cannon, the commanders and fighters of the Red 15 th Army sang military songs, rushed into the gap in the city wall like a tide, and soon cleared the remnants of the enemy on the east bank of the Ganjiang River, Zhu Huaibing, the scum, was also killed on the spot, and there were not many enemies on the west bank, and they were frightened by such a terrible momentum, and learned that the division commander was dead, and the special combat personnel who were mixed in with it took the opportunity to spread rumors and bewitchment, they all ran away with a hula, and the Red 15th Army took Nanchang City, the provincial capital of Jiangxi, with almost no casualties

In order to avoid long nights and dreams, the Red 15th Army and its entourage basically did not stay on the east bank of the Ganjiang River, and crossed the Ganjiang River at the fastest speed, but even so, the Red 15th Army, which once again captured the big city, still gained a lot. Not to mention the money and food of the rich gentry and celebrities in the city who "took the initiative" to work out of fear, the income from the direct seizure of various government industries alone was worth millions of oceans, although it could not be compared with Hangzhou, but who would be afraid of the money? In particular, Hu Weidong is also preparing to go abroad to purchase equipment and introduce talents in the future, even if it is hundreds of millions of oceans, it may not be enough, with China's current weak industrial base, according to Hu Weidong's estimates, if it is an equivalent exchange, to build a complete industrial system that is enough to support the national war, the purchase of machinery and equipment alone will require at least 1 billion US dollars (Note 1), and at the exchange rate of a year later, more than 3 billion oceans, and people will be willing to sell to you, so Hu Weidong disregards his own image and frantically grabs money everywhere he goes. In addition, the harvest of weapons and ammunition was not small, and most of the equipment of a division plus the inventory of a provincial capital city basically made up for the not too much consumption of the Red 15th Army in this battle

Note 1: In the early days of the founding of the People's Republic of China, the total value of machinery and equipment aided by the Soviet Union was 4 billion US dollars (because the gold standard system was still in place, it could basically be equivalent to 4 billion US dollars in 35 years. But considering that Lao Maozi's asking price is high, the cost of industrialization in the 30s is relatively low, the industry in the interior has not been seriously damaged by the war, and the relatively good industrial base in Northeast China is still there, so as long as the war can be ended as soon as possible in the future and the Northeast industrial base is relatively intact, the purchase of 1 billion US dollars of machinery and equipment should be enough for China to establish a backbone industrial system with a production capacity equivalent to that of the first five years of the completion of New China. Of course, because of the generational difference in the level of science and technology, there will be a certain gap between the construction speed and the output, and the cost of hiring foreign technicians and experts is also not a small amount