Hejiang Jinshishi has a good quality characteristics. The fresh product is round-headed and slightly enlarged; the stem is cylindrical in shape, the middle part is flattened, and the tip is blunt-pointed; sometimes it is slender, nearly cylindrical or inconspicuously flattened; the sheath is grayish white, membranous; Inflorescence, flowers 1 to 4, white with auburn; color from light gray green, green to green yellow. The dry product has many small curved strips or curved strips, no roots, no leaf sheath; longitudinal ribs and shrinkage; yellow color. Compared with the recent Chishui sarcophagus, the content of scutellaria in Dendrobium sinensis is much higher than that of sphagnum sinensis (the content of scutellaria in Hejiang gangue is ≥0.50%, and that in Chishui is between 0.30% and 0.50%). This is also a major feature of Hejiang Jinyu Stone.

It was awarded the Sichuan Provincial Traditional Chinese Medicine Modern Science and Technology Industry Key Medicine Planting Demonstration Zone; it was awarded the Science and Technology Achievement Transformation and Cooperation Unit of Chengdu Institute of Biology, Chinese Academy of Sciences.

Technical requirements for quality of Hejiang Jinshi Dendrobium I. Dendrobium nobile lindl. Second, the site conditions of the production area within the altitude of more than 300 m, pH 6.5 to 7.0, organic matter content ≥ 5%. Third, cultivation management 1. Seedling: using cuttings or ramets to raise seedlings. 2. Transplanting: Planting time is from March to May or September to November. The planting density is ≤30 plexes/m2. 3. Field management: (1) Shading: The shade is 65% to 85%. (2) Fertilization: The amount of organic fertilizer used is 500g to 1000g per square meter. (3) Air humidity ≥ 65%. 4. Harvesting the stems and leaves of the two-year-old or more in November after harvesting began to turn yellow. 5. Processing fresh products: remove the sundries in time after harvesting, remove the diseased plants, and clean them. Dry product: dry to moisture ≤12.0%. Sixth, environmental safety requirements The use of pesticides, fertilizers, etc. must comply with relevant national regulations and must not pollute the environment. Seven, quality characteristics 1. Fresh: the surface is green or light green, the stem is cylindrical in the lower part, and the middle part is flattened. Slightly scented with grass, bitter and sweet, chewy. 2. Dry goods: dry bars: flat cylindrical. The surface is golden yellow, greenish yellow, shiny, with deep longitudinal grooves or longitudinal edges, and some are visible in tan. Weiqi, bitter taste. Slicing: Diagonal sheet A sheet product having a thickness of ≤ 0.2 cm and a length of about 2 cm. Horizontal sheet: a sheet product having a thickness and a length of about 0.2 to 0.3 cm. 3. Physical and chemical indicators: the content of dendrine is ≥0.46%. 4. Safety and other quality technical requirements: Product safety and other quality technical requirements must comply with relevant national regulations.

Apply to：
Producers within the scope of the production area of ​​Hejiang Jinshishi can submit an application to the Quality and Technical Supervision Bureau of Hejiang County, Cangzhou City, Sichuan Province for the use of the “Special Mark for Geographical Indication Products”, which is reviewed by the Sichuan Quality and Technical Supervision Bureau and reported to the General Administration of Quality Supervision, Inspection and Quarantine. Announced. The testing organization of Hejiang Jinshishijing is selected by the Sichuan Provincial Bureau of Quality and Technical Supervision in the testing institutions that meet the qualification requirements.