OEM/ODM Liquid Filling Equipment Manufacturers & Factories

High-Precision Automated Packaging Lines, Custom Industrial Engineering, and Global Enterprise Scaling Solutions

Company Heritage & Technical Expertise

2015 Established Year
20+ National Patents
5,000 m² Production Facility
80+ Engineers & Technicians

Established in 2015, Henan Collins Machine Co., Ltd. has spent over a decade designing, manufacturing, and deploying high-performance automated packaging and liquid filling solutions. By prioritizing customer-centric innovation, we have secured 20 national invention patents, validating our engineering depth in synchronized processing lines. Our machinery handles complex inline sequences including container sorting, precise volumetric/mass flow filling, high-torque capping, laser/inkjet coding, and protective shrink-wrap sealing.

Operating out of a modern 5,000 square meter factory, Collins maintains certifications under ISO 9001, SGS, and RoHS. Our team of 80+ engineering specialists collaborates directly with global contract packagers and manufacturing clients to deliver customized, stable, and highly-productive packaging ecosystems.

Liquid Filling Technology Roadmap & Engineering Edge

Modern liquid packaging demands extreme precision, cleanliness, and adaptability. To address this, Henan Collins has structured an advanced technological roadmap centering on zero-waste dosage, minimal downtime, and Industrial IoT integration.

Next-Generation Dosing Mechanisms

Depending on viscosity, foam characteristics, and chemical aggressiveness, we engineer distinct filling technologies:

  • Coriolis Mass Flow Meters: Absolute filling precision regardless of temperature, density, or viscosity changes. Best for high-value dairy, lubricants, and chemicals.
  • Servo-Driven Volumetric Pistons: Precision piston movement control allows sub-gram accuracy for high-viscosity pastes, honey, cosmetics, and sauces.
  • Positive Displacement Pumps: Diaphragm and peristaltic pumps ensure sanitary fluid isolation, eliminating cross-contamination risk in pharmaceutical batching.

Smart Control and Smart Diagnostics

We build connectivity and intelligence into every PLC cabinet, upgrading standard lines to responsive Cyber-Physical Systems:

  • Proactive Health Monitoring: Real-time torque and vibration analysis on rotary valves detect wear-and-tear before a mechanical failure happens.
  • Clean-In-Place (CIP) Sequences: Automated CIP and SIP (Sterilize-In-Place) designs utilize hygienic valves and smooth 316L SS pathways for quick product changeovers.
  • Unified HMI Interfaces: Multi-tiered recipes are accessible through tactile touchscreens with remote cloud diagnostic modules for off-site debugging.

Macro Industry Solutions

Every sector faces unique regulatory compliance and material handling challenges. Our custom liquid filling and packaging assemblies are calibrated to the rigorous operational profiles of these global markets.

Food & Beverage

FDA-compliant fluid pathways, drip-free filling nozzles for hot-fill juices, high-speed container washing, and nitrogen-purging systems to preserve shelf life and flavor profile integrity.

Daily Chemical & Care

Explosion-proof architectures for alcohol-based cosmetics, anti-corrosive filling paths for aggressive household bleach/detergent, and dynamic torque control for complex caps.

Pharmaceuticals

Ultra-sanitary peristaltic fluid contact zones, cleanroom compatibility, complete IQ/OQ validation protocols, and integrated high-resolution UV inkjet batch coding for complete unit traceability.

China Industry 4.0: Supply Chain & Manufacturing Resilience

At our ISO 9001-certified factory in Henan, China, we combine domestic manufacturing cost efficiencies with high-end, modern CNC precision machining. This provides our global clients with a reliable supply chain.

Vertical Integration

We execute all manufacturing steps in-house—from raw material cutting and precision CNC milling to frame welding, polishing, and final electronics assembly.

Strict Quality Gates

Every structural weld undergoes ultrasonic stress-testing. Electrical cabinets are subjected to multi-day environmental thermal cycles prior to shipment.

Shorter Build Times

By housing all processes in our 5,000 m² factory and storing common components, we reduce system lead times by 30-40% compared to Western competitors.

Precision Manufacturing Process Flow

See our step-by-step custom production line fabrication. Every process is executed in-house at our advanced Chinese manufacturing facility to maintain high quality control.

Raw Materials
Raw Materials
Cutting
Cutting
CNC Machining
CNC Machining
Milling 1
Milling 1
Lathe Machining
Lathe Machining
Milling 2
Milling 2
Bending
Bending
Drilling
Drilling
Welding 1
Welding 1
Welding 2
Welding 2
Polishing
Polishing
Assembling 1
Assembling 1
Assembling 2
Assembling 2
Assembling 3
Assembling 3 (System Integration & PLC Tuning)

OEM/ODM Customization & Engineering Integration Workflow

Our team provides full integration support, from initial engineering calculations to installation on your plant floor.

Phase 1

Design & Customization

We analyze fluid samples for chemical properties, surface tension, and viscosity. Our engineers then design structural components, liquid nozzle diameters, and custom PLC programs.

Phase 2

Fabrication & Assembly

Our CNC equipment machines custom frames from raw stainless steel blocks, followed by automated TIG welding, electronics integration, and PLC cabinet wiring.

Phase 3

Validation & FAT

We perform Factory Acceptance Testing (FAT) using your bottles and fluids. We record 24-hour test runs to ensure target speed and fill accuracies are achieved before shipping.

Global Logistics & Localized Technical Support

Henan Collins serves manufacturing plants across Asia, Europe, Africa, North America, and South America. We pair self-operated export licensing with global logistic networks to ensure smooth Customs handling and prompt delivery.

Our technical support team provides prompt assistance across time zones. We support installation crews with multi-language manuals, detailed remote video walkthroughs, and 24/7 engineering assistance. We also supply complete sets of consumables, such as high-grade TTO ribbons, thermal ink rolls, coder carbon ribbons, and label stock, to ensure long-term, trouble-free operation of your line.

Global Compliance Standards

We design, wire, and build all standard and custom packaging machines to meet global industrial safety and quality requirements:

  • ISO 9001:2015: Audited quality management systems across all engineering and assembly divisions.
  • CE Certification: Compliance with safety, low-voltage, and electromagnetic emissions directives.
  • RoHS Standards: Lead-free electronic components and eco-safe wiring.
  • GMP Alignment: Clean sanitary lines featuring 316L stainless steel contact parts and washdown-safe enclosures.

Frequently Asked Technical Questions (FAQ)

1. How do you guarantee the fill accuracy of highly viscous materials?
We design custom volumetric cylinder-piston systems driven by high-torque Panasonic servo motors. These systems allow precise control over speed and stroke lengths, achieving accuracy rates within ±0.5% for viscous fluids like cosmetics and honey.
2. Can your liquid filling systems support automated CIP (Clean-In-Place) systems?
Yes. All of our food-grade and pharmaceutical filling machines feature integrated return lines, custom CIP spray ball configurations, and automated pneumatic valve manifolds. This design allows thorough, residue-free sanitation without teardown.
3. What is the typical lead time for custom production systems?
Standard single-machine systems ship in 20-30 days. Complex, fully custom packaging lines with integrated unscramblers, filling stations, cappers, and labelers require 45-60 days. This includes full mechanical build, PLC integration, and FAT run validation.
4. How do you handle corrosive or reactive liquid chemicals?
For corrosive fluids, we construct all contact paths using specialized materials like Hastelloy, PTFE, PVDF, or high-grade PVC. Additionally, electronic enclosures are isolated and nitrogen-purged to prevent vapor damage.
5. Can your machines handle multiple bottle shapes and sizes?
Yes, we design our systems for versatility. Using quick-adjust guide rails, tool-less nozzle positioners, and swappable star wheels, operators can switch container profiles in under 15 minutes.
6. What options do you provide for product traceability and coding?
We offer integrated laser coders, thermal transfer overprinters (TTO), and high-resolution industrial UV inkjet printers. These systems code batch numbers, barcodes, and expiration dates directly onto containers or outer shrink wraps at full production line speeds.