Classification
Product TypeRaw Material
Product FormDried
Industry PositionPrimary Agricultural Product
Raw Material
Commodity GroupTea
Scientific NameCamellia sinensis
PerishabilityLow (shelf-stable when kept dry and odor-protected; quality deteriorates with humidity, heat, and oxygen exposure).
Growing Conditions- Humid subtropical to montane environments; elevation and diurnal temperature range influence aroma development.
- Well-drained, acidic soils are commonly associated with commercial tea production.
- Seasonal rainfall patterns affect pluck frequency and leaf tenderness; drought and heavy rains can reduce quality consistency.
Main VarietiesCamellia sinensis var. assamica (large-leaf types commonly used in Yunnan), Camellia sinensis var. sinensis (small-leaf types used widely in China and elsewhere)
Consumption Forms- Loose-leaf brewed tea (specialty retail and foodservice)
- Blending component for black-tea blends
- Teabags when cut/broken grades are used (less common for premium Yunnan-tip products)
Grading Factors- Leaf appearance (whole vs broken; proportion of buds/tips)
- Cup quality (aroma, liquor color, body, astringency balance)
- Cleanliness (foreign matter control) and uniformity
- Moisture control and absence of moldy/off odors
- Residue compliance to destination-market limits
Planting to HarvestTypically several years from planting to first commercial plucking; timing varies by cultivar and field management.
Market
Yunnan black tea (often marketed as Dianhong) is an orthodox black tea produced in Yunnan Province, China, positioned globally as a premium origin tea and blend component distinguished by its “golden tip” leaf appearance and malty-sweet cup profile. Authentic supply is origin-concentrated in China, while the broader global black tea trade is dominated by bulk exporters such as Kenya, India, and Sri Lanka, creating a clear segmentation between specialty loose-leaf and commodity CTC channels. Export demand for Yunnan-origin black tea is typically routed through specialty importers, blenders, and direct-to-consumer channels serving North America, Europe, and East Asia. Market outcomes are highly sensitive to lot consistency (leaf grade and flavor), moisture/odor control in logistics, and compliance with pesticide-residue limits in destination markets.
Market GrowthNot Mentioned
Major Producing Countries- 중국Origin-defined product concentrated in Yunnan Province; commonly marketed as Dianhong (Yunnan black tea).
Major Exporting Countries- 중국Sole origin for authentic Yunnan black tea; exports typically move through specialty tea traders and blenders.
Supply Calendar- Yunnan (China):Mar, Apr, May, Jun, Sep, Oct, NovSpring and autumn plucks are commonly associated with specialty lots; exact timing varies by elevation and local climate.
Specification
Major VarietiesDianhong (Yunnan black tea; orthodox style), Keemun/Qimen black tea (orthodox style), Assam black tea (often used for blends; orthodox and CTC variants), Ceylon/Sri Lanka black tea (orthodox style), Kenyan black tea (commonly CTC for teabags and blends)
Physical Attributes- Orthodox leaf styles ranging from whole leaf to broken grades; specialty lots may show a high proportion of golden tips (buds).
- Infusion typically presents coppery-red liquor with malty, cocoa-like, or honeyed aroma notes depending on cultivar, pluck standard, and oxidation.
Compositional Metrics- Moisture content control is a core commercial parameter to protect shelf stability and prevent mold/quality loss.
- Black-tea quality is commonly assessed via sensory evaluation and chemical markers associated with oxidation (e.g., theaflavins/thearubigins) in industry practice.
Grades- Orthodox grading conventions (whole leaf, broken leaf, fannings/dust) are widely used in trade; terminology varies by origin and buyer specification.
- CTC grades are common in commodity teabag supply chains (less typical for Yunnan specialty orthodox lots).
Packaging- Moisture- and odor-barrier packaging is standard for export (e.g., foil-lined sacks/cartons or other barrier liners inside corrugated cases).
- Specialty retail formats may use nitrogen flushing or vacuum packing to reduce oxidation and aroma loss.
ProcessingManufacture is defined by controlled enzymatic oxidation (“fermentation” in trade terminology), followed by firing/drying to stabilize moisture and aroma.Lot-to-lot variability can be driven by pluck standard (bud/leaf ratio), withering and oxidation control, and final drying conditions.
Supply Chain
Value Chain- Plucking (bud/leaf standard) -> withering -> rolling/shaping -> controlled oxidation -> firing/drying -> sorting/grading -> blending (optional) -> packing -> export logistics -> importer/blender/retail
Demand Drivers- Origin-specific premium demand for orthodox black teas (single-origin storytelling, sensory differentiation).
- Use as a blending component to add color, body, and aroma in black-tea blends.
- Growth of direct-to-consumer and specialty retail channels for loose-leaf teas.
Temperature- Ambient transport is typical, but quality is sensitive to heat exposure; cool, dry storage reduces aroma loss and staling.
- Moisture control (low humidity, intact barrier packaging) is critical to prevent mold risk and off-odors.
Atmosphere Control- Oxygen reduction (e.g., nitrogen flushing) and high-barrier liners can help preserve aroma and limit oxidative staling for premium lots.
Shelf Life- Shelf-stable when kept dry and protected from odors; quality gradually declines with oxygen, heat, and humidity exposure.
- Aroma loss and flavor flattening are key commercial risks for premium origin teas during extended storage.
Risks
Regulatory Compliance HighPesticide-residue compliance is a key trade gatekeeper for tea: shipments can be rejected, recalled, or delisted if residues exceed importing-market limits, creating acute disruption risk for exporters and brand owners.Implement GAP and integrated pest management, pre-shipment residue testing against destination-market limits, and lot-level traceability from farm to finished packed tea.
Climate MediumWeather anomalies (drought, unseasonal cold, intense rainfall) can shift pluck windows and alter leaf chemistry, reducing availability of consistent specialty grades and increasing variability in sensory profile.Diversify sourcing across elevations/micro-regions, use adaptive agronomy (shade, soil moisture management), and separate lots with tighter quality specs.
Quality Degradation MediumTea readily absorbs odors and can stale or develop taints if exposed to humidity, heat, or contaminated storage environments, especially for high-aroma specialty lots.Use high-barrier liners, humidity-controlled warehousing, and strict separation from odor sources throughout consolidation and transit.
Trade Policy And Customs MediumChanges in documentation requirements, inspection intensity, or geopolitical frictions affecting China-linked supply chains can create delays, added compliance costs, or sudden rerouting needs for origin-defined teas.Maintain updated importer-of-record documentation, pre-clear labeling/composition claims, and build alternative routing and inventory buffers for key sales seasons.
Sustainability- Climate variability (temperature and rainfall swings) affecting tea yield, pluck timing, and cup quality in origin regions.
- Agrochemical stewardship and residue management driven by buyer requirements and importing-market pesticide limits.
- Biodiversity and land-use considerations in tea-growing landscapes, including pressure to expand cultivation in ecologically sensitive areas.
Labor & Social- Tea supply chains have longstanding scrutiny over wages, housing, and worker welfare in plantation-based origins; buyers increasingly require social compliance and traceability even for blended black teas.
- Smallholder income stability and transparency in farmgate pricing are recurring themes in specialty tea sourcing.