Introduction of fresh-keeping trees

In 2008, China Patent Office published the world's first patents on "plant preservation processing" and "combination of preservation trees", forming a complete series of two invention patents on "preservation trees", which were invented by Fu Xie, a native of Jiangshan, Zhejiang, with a patent authorization period of 20 years. The patented technology of 20 10 fresh-keeping tree was authorized by China Patent Office, which pioneered the whole-plant fresh-keeping tree processing. Fresh-keeping tree is also the brand name of fresh-keeping plants such as fresh-keeping palm tree, fresh-keeping coconut tree, fresh-keeping boxwood and fresh-keeping bamboo.