End-to-End Manufacturing
Complete Line forPeanut Processing
Engineering-grade roasting, coating, frying and grinding systems — covering 12 core nut processing workflows, deployed in 40+ countries.
Performance Data
Engineering Standards
That Define the Industry
Every metric below is measured against published industry averages. We don't just meet the standard — we set it.
Our closed-loop PID temperature control holds colour variance below ΔE 1.5 across every batch — delivering retail-ready consistency without manual sorting.
Benchmark source: ASTM E308 colorimetry tests, 2023 industry survey (n=38 manufacturers)
Integrated exhaust heat recovery reduces total energy draw by 15–25% per tonne processed. Translating to $18,000–$35,000 annual savings on a 500kg/h line.
Measured at 500kg/h throughput; electricity at $0.12/kWh, 6,000 operating hours/year
Gentle conveying and adjustable drum rotation (3–15 RPM) keep breakage under 2%, preserving product grade and reducing waste losses by up to $8,000/month.
Lower % = better performance. Benchmark: INC (International Nut & Dried Fruit) quality grading data
Our Methodology
From Raw Material
to Running Line —
5 Defined Steps
Regardless of which of the 12 product solutions you choose, every project passes through the same rigorous 5-step engineering process — ensuring technical fit, food safety compliance, and on-spec performance before a single machine ships.
Feedstock Analysis
We test your specific raw material: moisture content (target 6–8%), fat composition, kernel size distribution and skin adhesion — before any machine is specified.
Custom Roast Curve
Our engineers set a proprietary temperature-time profile for your product. Inlet air temp, drum speed, and exhaust rates are all dialled to your target colour (Agtron score) and moisture specification.
Precision Machine Selection
Based on steps 1–2, we select from hot-air, infrared, or hybrid roasting — matched with the right pre-treatment (blanching, sizing) and post-process (coating, frying, grinding) modules.
3D Factory Layout Design
We draw a complete factory layout optimised for your floor area — including utility connections (gas/electric/steam), airflow, CIP routes, and operator workflow paths.
Commissioning & Training
Our engineer arrives on-site, installs and calibrates every unit, runs acceptance tests to spec — then trains your operators with a written SOP in your local language.
Built-in
Critical Control
Points
Every Golden Machinery line is designed with HACCP-aligned CCPs at each transition point — so your QA team has a clear, auditable food safety framework from day one.
Buyer's FAQ
Real Problems.
Engineering Answers.
These are the most common technical and commercial questions we receive from buyers at the specification stage. Each answer reflects 18 years of project experience — not a sales script.
How do I guarantee consistent peanut colour across every batch for retail packs?
Our closed-loop PID temperature control maintains ±1°C precision throughout the drum. Combined with an NIR in-line colorimeter, the system auto-adjusts airflow if colour readings drift — keeping ΔE variation below 1.5 across consecutive batches, day after day.
Our coated peanuts arrive cracked from the drum roaster. How do you prevent coating damage?
Traditional drum roasters tumble coated product at high speed — breaking the shell. Our design uses a horizontal belt + hot-air impingement system: zero tumbling contact, even heat from above and below. Coating damage drops from a typical 8–12% to under 1.5%.
How do I ensure peanut butter stays emulsified and doesn't separate after 6 months?
Oil separation is caused by oversized particles and inadequate emulsification time. Our colloid mill achieves a particle size <15 μm — fine enough to maintain a stable emulsion without artificial stabilisers. Lab tests show <2% oil separation at 12 months, room temperature storage.
Our current roaster uses too much gas. How much energy can we realistically save?
Our exhaust heat recovery module recirculates 40–60% of waste heat back into the pre-heat zone. For a 500 kg/h gas-fired line running 6,000 hours/year, measured savings are $18,000–$28,000 annually at current LNG prices — with ROI typically within 14 months.
How do I control oil content in fried peanuts to meet labelling regulations?
Oil absorption is directly controlled by frying time, temperature, and post-fry de-oiling. Our centrifugal de-oiling drum removes surface oil within 30 seconds, bringing final oil content to 25–32% (wt/wt) — allowing accurate nutritional labelling and extending shelf life.
We're a first-time factory buyer. What's the minimum viable line we can start with?
Our entry-level modular line starts at 100 kg/h with a single roaster, basic cooling conveyor, and grading screen — for under $28,000 USD. The design is physically identical to our 2,000 kg/h commercial lines, so you can add modules as volume grows without replacing the core machine.
Can one production line handle multiple nut types without full changeover?
Yes — our multi-product lines feature recipe-memory PLC control. Switching between, for example, almonds and peanuts takes under 15 minutes: call up the saved recipe, rinse the transition zone, and restart. No new tooling or drum replacement required.
How do you guarantee peanut roasting temperature is uniform from the centre to the outside of the kernel?
We use radiant + convection hybrid heating: far-infrared panels (60% of energy) penetrate to the kernel core, while hot-air circulation ensures even external exposure. The result: core-to-surface temperature difference stays under 4°C, eliminating raw centres and over-darkened skins simultaneously.
How do I achieve uniform coating weight across every peanut in the batch?
Uneven coating comes from inconsistent slurry application and poor tumbling dynamics. Our spray nozzle array delivers a ±2g/100g coating weight consistency via servo-controlled slurry pumps. Coupled with airflow-balanced tumbling, every kernel receives the same exposure — confirmed by weight sampling every 15 minutes.
Case Studies
Projects That Prove
the Engineering
Every case below shows the real challenge, our exact solution, and the measured outcome — not marketing language.
🇮🇳 Gujarat, India
Peanut Butter
1ton/h Peanut Butter Line for Retail Brand
Mid-scale FMCG manufacturer · Gujarat, 2018
🇻🇳 Ho Chi Minh, Vietnam
Coated Peanut
Coated Peanut Line — GCC Snack Brand Scale-Up
Premium snack manufacturer · Ho Chi Minh, 2023
🇮🇩 Jakarta, Indonesia
Almond
High-Volume Almond Roasting — Xinjiang Processor
Regional nut processor · Jakarta, 2021
🇳🇬 Nigeria
Fried Peanut
Continuous Fried Groundnut Line — West African Market
Snack food exporter · Lagos, 2022
🇮🇷 Iran
Pistachio
Premium Salted Pistachio Line — Export Grade
Nut export processor · Kerman Province, 2024
Core Technology
The Engineering
Behind the Results
Four proprietary systems that separate Golden Machinery from generic OEM suppliers. Each is patented or registered.
The sensor continuously samples inlet, chamber, and outlet temperatures. The PID algorithm auto-adjusts burner intensity and airflow within 0.8 seconds of any deviation — keeping the temperature stable during the roasting process.
A progressive two-stage gas burner ensures precise fuel-air mixing and sensor-based automatic fuel modulation, maximizing combustion efficiency and reducing energy consumption and operating costs.
A perforated stainless steel mesh belt conveys coated product through the roasting zone with zero tumbling. Hot air circulates vertically through the mesh from above and below, giving uniform surface exposure with no mechanical abrasion.
The fully insulated roaster body minimizes heat loss and stabilizes chamber temperature, while the independent heating zone improves heat transfer efficiency for consistent roasting performance and lower energy use.
Food-Grade
Material Standards
Global Reach
Trusted by Processors
in 40+ Countries
From pilot lines in family factories to 5t/h industrial installations — the same engineering, everywhere.
"We specified four suppliers and chose Golden because they sent us actual test data instead of brochures. The roasting line arrived pre-calibrated to our Agtron target — first batch was on-spec. No other supplier has come close on after-sales response time either."
"The coated peanut line design — no drum roasting, belt transport only — was something we hadn't seen from other Chinese manufacturers. It solved our biggest QC problem immediately. Coating breakage went from 10% to under 2% on day one. The ROI was under a year."
"As a first-time factory owner, I was nervous about specifying a full line. The Golden team designed a modular 200kg/h starter setup, sent a 3D layout before I paid a cent, and their engineer was on-site within 72 hours of shipment arrival. Felt like a partner, not a vendor."
Get Started
Tell Us Your
Product.
We'll Build the Line.
Complete the 3-step form and our engineers will return a solution package within 72 hours — machine selection, factory layout drawing, and a fully costed ROI projection. No obligation, no sales pressure.