初秋，微风。站在葫芦岛市连山区沙河营乡喂牛场村的一处山顶，漫山遍野的杜仲树叶发出哗啦啦 的响声，让人身心愉悦。与旁人不同，赵德库的感受中更多了一丝欣慰，作为这片杜仲树林的打造者之 一，他们的故事已延续21年。 2004年，42岁的赵德库回村发展，基于多年学习中医的判断，承包大片荒山种植杜仲。"杜仲是我 国特有的珍稀濒危二类保护植物，第四纪冰川侵袭后，杜仲成为仅留存在中国中部的单种属孑遗树种， 所以被称为植物'活化石'，也被后人亲切地称为'中国树'。在《神农本草经》里更被列为上品。后人都 叫它'植物黄金'，因为它的皮、花、果、叶都具有珍贵的食用和药用价值。"赵德库说。 不仅能入药，杜仲还是个"斜杠青年"，工业、农业等方方面面都有它"跨界"的身影。赵德库随手摘 下一片叶子撕开展示，"这些丝状物是杜仲胶，在叶片和树皮中含量丰富，是我国关键的战略材料，可 用于航天器部件、牙齿填充物、高性能轮胎等产品，比一般橡胶的可塑性、密闭性、可降解性都要高出 好几倍，市场需求旺盛！" 21年来，杜仲种植棵数增加到42万棵，这片林子也衍生出农作物种植专业合作社、茶叶加工厂、中 医院、商贸公司、家庭林场等产业形式，带动百姓致富，前景广 ...

Group 1 - The successful export of Du Zhong composite crystal powder valued at 1.9287 million yuan from Tianjin Port to Malaysia marks the first international venture for Guizhou Du Zhong products, indicating a breakthrough for local specialties in overseas markets [1] - The Guizhou Huaxia Ecological Trading Center is establishing a comprehensive ecological economic system covering planting, processing, finance, and trade, serving as a model for the transformation of ecological resource value in the southwestern mountainous areas [1] Group 2 - The National Development and Reform Commission's "14th Five-Year Plan for Bioeconomy Development" injects strong momentum into the Du Zhong industry, aligning with principles of innovation, systematic advancement, and ecological priority [2] - Du Zhong extracts are recognized for their pharmacological effects in areas such as blood pressure reduction and liver protection, aligning with the health-centered industrial transformation trend [2] - Du Zhong leaf powder is being utilized as an antibiotic-free feed additive, promoting green transformation in multiple livestock enterprises in Guizhou [2] - Du Zhong gum, as a natural polymer material, shows potential applications in high-end manufacturing fields such as aviation tires and medical catheters due to its high-temperature resistance and tear resistance [2] - The Du Zhong industry balances ecological and economic benefits, with each hectare capable of sequestering 15 tons of carbon annually, significantly exceeding typical economic forests [2] Group 3 - The Guizhou Huaxia Ecological Trading Center is reshaping the Du Zhong industry chain through a four-center and one-platform structure, making the Du Zhong industry a core engine for rural revitalization in the Bijie District of Tongren City [3] - The integration of resources from seedling cultivation to organic fertilizer production and cold chain logistics has reduced production costs by 15% and improved market response speed by 40% [3] - The collaborative model is being replicated in other regions such as Bijie and Qiandongnan, forming an ecological economic circle centered around Du Zhong [3] - The trading center is planning upgrades for ecological product standardization and cross-border transaction settlements, aiming to elevate the Du Zhong industry from a regional specialty to a national strategic resource [3]