Ba Lingshan Zhu Tang is a kind of orange, because the skin is orange red, hence the name Zhu Tang, also known as Zhu Hong Tang. The eight oranges of Baling Mountain are flat and round, the top of the fruit is flat or slightly concave, the skin thickness is 1.7~2.3mm, the scoop is 9~10 petals, the flesh is deep orange yellow, tender, juicy, sweet, and the fruit matures in late October. Nuclear or small particles, high edible rate.

Technical requirements for quality of Baling Orange and Jujube Orange 1. Citrus erythrosa Hort. ex Tanaka. Second, the site conditions soil type is yellow brown loam, paddy soil and fluvo-aquic soil, soil pH value of 5.1 to 7.0, soil layer thickness ≥ 60cm, soil organic matter content ≥ 1.5%. Third, cultivation management Seedlings: Grafted seedlings with rootstocks in the area of ​​origin are selected. 2. 3. Plastic trimming: natural round shape or natural round head shape shaping, winter trimming and summer trimming are combined to ensure the canopy ventilation and light transmission. 4. Fertilization: 800kg to 1000kg of decomposed organic fertilizer per 667m2 (mu) per year. 5. Environmental and safety requirements: The use of pesticides, fertilizers, etc. must comply with relevant national regulations and must not pollute the environment. 4. Harvesting will be harvested from late October to early December. V. Quality characteristics 1. Sensory features: the fruit is flat and round, the skin is deep orange-red, the flesh is deep orange-yellow, tender and juicy, and sweet. 2. 3. Safety and other quality technical requirements: Product safety and other quality technical requirements must comply with relevant national regulations.

Apply to：
Producers within the Baling Orange Zhu Orange production area may apply to the Jingzhou District Quality and Technical Supervision Bureau of Jingzhou City, Hubei Province for the use of the “Special Mark for Geographical Indication Products”, which is reviewed by the Hubei Provincial Bureau of Quality and Technical Supervision and submitted to the General Administration of Quality Supervision, Inspection and Quarantine for approval. After the announcement. The testing agency of Balingshan Zhu Orange is selected by the Hubei Provincial Bureau of Quality and Technical Supervision in the testing institutions that meet the qualification requirements.