Hongji Agriculture manufacturer building

About Hongji Agriculture

China’s Vertically Integrated Potato Flakes Manufacturer — From Seed to Shipment

Hongji Agriculture Technology Co., Ltd. (弘基农业) is a Chinese dehydrated potato ingredient manufacturer based in Zhangjiakou, Hebei Province. We operate a fully integrated supply chain spanning seed breeding, contract farming, controlled-atmosphere storage, industrial processing, quality control, and global export — all managed under one company.

Unlike ingredient traders who buy and resell, we grow and process our own raw materials. This vertical integration gives our B2B customers consistent quality, stable year-round supply, complete traceability, and flexible customization that third-party suppliers cannot match.


Company at a Glance

Hongji Agriculture Potato Planting Base
Hongji Agriculture Potato Planting Base
AttributeValue
Company NameHongji Agriculture Technology Co., Ltd. (张家口弘基农业科技开发有限责任公司)
Trade NameHongji Agriculture / 弘基农业
HeadquartersQiaodong District, Zhangjiakou City, Hebei Province, China
Processing PlantZhangjiakou, Hebei Province
Business ModelVertically integrated manufacturer — seed to shipment
Annual Fresh Potato Processing50,000+ metric tons
Raw Material Storage Capacity120,000 metric tons (18 controlled-atmosphere cells)
Primary Potato VarietiesAtlantic, Shepody, Russet Burbank
Growing RegionsHebei Province & Inner Mongolia
Product CategoriesPotato flakes, milled potato flakes (potato powder), customized ingredients
Target MarketsGlobal B2B — pet food, bakery, snacks, soups, prepared meals, meat processing
CertificationsISO 22000, FSSC 22000, HACCP, Halal, Kosher, Organic (EU/USDA), GlobalG.A.P.
Phone+86 400-633-0616
Websitehjpotatoflakes.com

What Makes Hongji Different

QuestionAnswer
Manufacturer or trader?Manufacturer. We own the farms, storage facilities, and processing plant — not a trading company
What’s your specialty?Potato flakes and potato powder for industrial food manufacturing — B2B only
Where does your raw material come from?Our own farms — contract farming of Atlantic, Shepody, and Russet Burbank varieties in Hebei and Inner Mongolia
How much can you process?50,000+ metric tons of fresh potatoes annually, with 120,000 MT of controlled-atmosphere storage for year-round production
What certifications?ISO 22000, FSSC 22000, HACCP, Halal, Kosher, Organic (EU/USDA), GlobalG.A.P.
Do you customize?Yes — particle size, moisture, color, bulk density, functional properties, packaging, OEM/private label
Do you export?Yes — we supply food manufacturers globally with full export documentation and logistics support

Our Model — Full Vertical Integration

Most ingredient suppliers operate in just one segment of the supply chain. Hongji Agriculture controls the entire chain — from seed breeding to final export — in a single, auditable system.

Seed Breeding & Variety Selection
           ↓
Contract Farming (Hebei & Inner Mongolia)
           ↓
Harvest & Quality Grading
           ↓
Controlled-Atmosphere Storage (120,000 MT)
           ↓
Processing — Washing → Cooking → Drum Drying → Milling
           ↓
Quality Control — Physical, Chemical, Microbiological
           ↓
Packaging — Industrial Bulk & Custom Formats
           ↓
Export Documentation & Global Logistics

Why Vertical Integration Matters for B2B Buyers

Supply Chain StageTrader ModelHongji Model
Raw material sourceBuys potatoes on the spot marketOwn farms + contract farming — Atlantic, Shepody, Russet Burbank
Quality consistencyVaries by raw material sourceControlled variety selection, standardized cultivation, field-level QC
Year-round supplySeasonal gaps, limited storage120,000 MT cold storage — 7–9 months of post-harvest supply
TraceabilityLimited to supplier recordsBatch-level traceability from seed lot to final shipment
CustomizationStandard products onlyParticle size, moisture, color, bulk density — engineered to your specs
Food safetyRelies on supplier certificationsIn-house FSSC 22000 / ISO 22000 / HACCP — auditable at every stage

Processing Technology — From Raw Potato to Finished Ingredient

Our Zhangjiakou processing plant operates a fully integrated production line with an annual capacity exceeding 50,000 metric tons of fresh potato input.

Complete Manufacturing Process


Stage
OperationKey Parameters
1Receiving & InspectionTuber size ≥ 50 mm, dry matter ≥ 20%, reducing sugars ≤ 0.25%, defects < 3%
2Dry Cleaning & DestoningRoller-grate cleaner (30–50 MT/hr) + fluidized-bed air separator
3Washing & RinsingMulti-stage counterflow drum washer, 3–5 bar spray, 15–25°C water only
4Steam PeelingHigh-pressure steam — minimal flesh loss
5Inspection & TrimmingManual + automated inspection for defects
6Slicing1.2–1.8 cm uniform thickness
7Pre-Cooking65–75°C, 15–25 minutes
8Cooling15–25°C, 10–15 minutes
9Steam Cooking95–100°C, 20–35 minutes — complete starch gelatinization
10Mashing & Additive DosingUniform mash consistency + controlled emulsifier/antioxidant addition
11Drum DryingSingle-drum dryer, controlled speed and temperature
12Milling & Screening8–40 mesh for flakes; 60 mesh for powder
13Metal DetectionIn-line magnetic separation + metal detector
14PackagingN₂-flushed moisture-proof packaging

Technology Highlights

  • Drum drying preserves natural potato flavor, color, and rehydration performance
  • Fine milling (60 mesh) for potato powder — controlled particle size distribution
  • N₂ flushing extends shelf life by preventing oxidation
  • In-line browning control — managing enzymatic browning (PPO) and Maillard reactions
  • Moisture control — NIR (Near-Infrared) sensing for real-time moisture monitoring

Quality Control — Multi-Stage, Independently Managed

Hongji’s Quality Assurance function operates independently of production and reports directly to the Chief Operating Officer — ensuring impartial quality decisions at every level.

QA Organizational Structure

LevelFunctionResponsibility
L1COOQuality policy, resource allocation, strategic QMS decisions
L2Director of Quality ManagementQMS design, certification, internal audit, regulatory compliance
L3QA Manager — Raw MaterialsIncoming potato inspection, field quality monitoring, supplier rating
L3QA Manager — ProcessingIn-process QC, CCP monitoring, HACCP plan execution
L3QA Manager — Finished ProductsFinal release, laboratory management, COA issuance
L3QA Manager — TraceabilityBatch traceability, mock recall coordination, regulatory filings

QC Checkpoints

StageWhat We TestMethod
Raw Potato ReceivingTuber size, dry matter, reducing sugars, defects, soil contentCaliper, underwater weight, DNS colorimetric, visual inspection
In-ProcessSlice thickness, mash temperature, dryer parameters, moistureReal-time sensors + shift-based sampling
Finished ProductMoisture, particle size, color, bulk density, rehydration, viscosityAOAC methods, in-house validated protocols
MicrobiologicalTPC, coliforms, E. coli, Salmonella, yeast & mold, Bacillus cereusISO 4833, ISO 4832, ISO 6579, ISO 7954
Pre-ShipmentCOA review, packaging integrity, labeling verificationPer customer specification

Testing Equipment

  • NIR moisture analyzers (in-line and bench-top)
  • Laser particle size analyzers
  • Spectrophotometers (color measurement — CIE Lab*)
  • Texture analyzers (viscosity, gel strength)
  • Microbiological laboratory (BSL-2)
  • HPLC for chemical residue analysis
  • Metal detectors (ferrous, non-ferrous, stainless steel)

Frequently Asked Questions

1. Is Hongji Agriculture a manufacturer or a trading company?

We are a manufacturer. Hongji Agriculture Technology Co., Ltd. owns and operates its own farms, storage facilities, and processing plant in Zhangjiakou, Hebei Province, China. We are not a trading company — we grow and process our own raw materials through a fully integrated supply chain.


2. Where does your raw material come from?

Our own farms. Through contract farming in Hebei Province and Inner Mongolia, we grow processing-grade potato varieties — primarily Atlantic, Shepody, and Russet Burbank — under standardized cultivation protocols. This ensures consistent quality and complete traceability from seed lot to final shipment.


3. What is the difference between potato flakes and potato powder?

Potato flakes are the primary product — drum-dried, flaked, and screened to 0.25–2.0 mm. They offer fast rehydration and excellent texture for instant mash, bakery, and meat applications.

Potato powder (also called milled potato flakes) is produced by further grinding flakes to ≤ 250 μm (60 mesh). It offers superior dispersion and blending performance for dry mixes, soup powders, seasonings, and baby food.

Both products come from the same potatoes and the same production line — the difference is the final milling step.


4. What certifications does Hongji Agriculture hold?

  • FSSC 22000 — GFSI-benchmarked food safety certification
  • ISO 22000 — Food safety management systems
  • HACCP — Hazard analysis and critical control points
  • Halal — Islamic dietary compliance
  • Kosher — Jewish dietary compliance
  • Organic (EU/USDA) — Certified organic farming and processing
  • GlobalG.A.P. — Good agricultural practice certification

5. What is your annual production capacity?

50,000+ metric tons of fresh potato processing annually, supported by 120,000 metric tons of controlled-atmosphere storage across 18 storage cells. This enables year-round production — we process potatoes 12 months a year, not just during harvest season.


6. Can you customize potato flakes for my specific application?

Yes. We offer customization of particle size, moisture content, color profile, bulk density, rehydration ratio, and functional properties. Our technical team works with you to understand your application requirements and recommend the appropriate specifications. OEM and private label manufacturing is available.


7. Do you export internationally?

Yes. We supply food manufacturers in multiple international markets with full export documentation support, appropriate packaging for sea freight, and logistics coordination.


8. Can I visit your factory?

Yes. We welcome factory visits from serious buyers. A visit allows you to inspect our farming operations, storage facilities, processing lines, quality control laboratory, and packaging areas. Contact our sales team to arrange an appointment.


9. What packaging options are available?

Standard packaging is 25 kg food-grade multi-wall bags or 500 kg supersacks. Custom packaging formats can be developed for OEM projects or long-term supply programs. All packaging is N₂-flushed and moisture-proof for extended shelf life.


10. Can potato powder replace potato flakes in my application?

In many applications, yes. However, the optimal choice depends on your processing equipment, formulation, and desired finished product characteristics. Potato powder is generally preferred for dry blends, seasonings, and applications requiring smooth texture, while potato flakes excel in applications where visible potato pieces or rapid rehydration are desired. Our technical team can recommend the best product for your specific needs.

Contact Hongji Agriculture

ChannelDetail
CompanyHongji Agriculture Technology Co., Ltd. (张家口弘基农业科技开发有限责任公司)
Head Office3# Building, High Tech New Town, North Silicon Valley, Qiaodong District, Zhangjiakou City, Hebei Province, China
Phone+86 400-633-0616
Websitehjpotatoflakes.com
Technical Documentationdocs.hjpotatoflakes.com