The idea of ​​"drought and drought", which sounds whimsical, has now become a reality with the realization of a high-tech product called "biological water-absorbing agent" that has been industrialized in Runtong Biological Super Absorbent Co., Ltd., Tangshan City, Hebei Province. Bioabsorbing agent scientific name "absorbent resin" is a high polymer. The material is in the form of powdery particles, each of which can absorb, retain water, and release water with an "appetite" that is hundreds or even thousands of times greater than its own weight. In spring sowing, as long as they are added to water in the ratio of 1:1500 to 1:2000, and mixed and implanted in the farmland with nests or drills, they can form a self-regulated “mini-reservoir†in the soil. In September of 200, Professor Zhang Liansheng, the head of Polymer Research Base of Heilongjiang University, invented the “Foam System Polymerization Method†to produce bio-absorbent technology and was successfully introduced by Runtong. The company invested 10 million yuan to build the first 3,000-ton capacity production line, which soon turned this product into a product. Subsequently, the Hebei Agricultural Science and Technology Promotion Station set up seven demonstration sites for popularization and application in the province this spring. The product was used in the production of rice seedlings and economic crops such as fruit trees and edible fungi. The production of this product has been listed as a key project of high-tech industrialization in Tangshan, and the second-phase project with an annual output of 10,000 tons of products is under preparation. According to experts, this biological water-absorbing agent production technology is the first in the world, and it has obtained invention patents from 12 EU countries.