The company devoted prevention and cure of plant disease to research. through 30 years of dedicate reserch thatthey reach and development of pure Chinese herbal medicine formula without any poison for people as growth regular. The drug 's name is laugh of trees. The drug play anti-gern, tree recover strong, healing wounds, cover of snip and saw. disease-resistant and fight a driught fiction for species of leafy and conifer. The plant cells activated by enhance hole of tree dredge prompt stock become think. The use of laugh of trees in all of China to rise the cultivation of survival through confirmal. The product have more universality and recover the tree disease rate is very high. At the internation leval, leading to urban greening. fyuit trees grow. Preventing and curing disease and so the effect of plant subjects isthe next generation of green products. China southern citrus trees ulcers. Lychee rot core-disease of the type of flow glue. The flow of resin Front leaf species have made in the use of the product after more than 90% rate. In China's Beijing Shanghai Liaoning Shanxi Hangzhou InnerMongolia. Baotou Nanjing Hebei Tianjin neiboring Guangxi Nanchang areas in the use of this prouduct and the result were very good. Another unique function of this product insectifuge. The aduit worm is not to birth spawning at the tree of use drug that reduce the next generation of tree's volume of worms.