Machines under assembly and wrapped for shipment in the LONGSN workshop hall

Knowledge

Technical guides on plastic bottle production and packaging

224 articles on neck cutting, leak testing, bagging, cap lining and assembly, blow moulding, injection moulding, labeling and filling, written by the LONGSN engineering team.

All Articles

All Articles

Newest first. Page 5 of 11.

  1. Neck Cutting

    Bottle Neck Cutting Machine Setup Guide For HDPE And PP Containers

    Manufacturing plastic containers demands flawless precision at every stage of the production cycle.
  2. Cap Lining and Wadding

    Cap Liner Insertion Problems: Misalignment, Missing Liners, And Poor Sealing

    Cap liner insertion serves as a mission-critical failure point in modern packaging operations.
  3. Bagging

    Bottle Bagging Machine Layout: How To Connect Bagging With Leak Testing And Conveyors

    Transitioning empty plastic bottles from blow molding and leak testing into final packaging often creates significant…
  4. Leak Testing

    How To Choose The Right Leak Tester For HDPE, PET, And PP Bottles

    Imagine discovering a systemic packaging flaw an entire day after the bottles were manufactured.
  5. Bagging

    Manual Bagging Vs Automatic Bottle Bagging: Labor Cost And Output Comparison

    Plant managers know the production struggle well. You want to push more volume out the door.
  6. Bagging

    How To Choose Film Size And Bagging Method For Empty Plastic Bottles

    Bagging empty plastic bottles essentially means packaging and shipping "air" across long distances.
  7. Cap Assembly, Slitting and Folding

    One-Piece Vs Multi-Component Caps: When Do You Need Cap Assembly Automation?

    Look closely at the hidden bottleneck in modern packaging lines.
  8. Cap Assembly, Slitting and Folding

    How Automatic Cap Assembly Machines Improve Consistency In High-Volume Production

    Every manufacturing facility eventually hits a critical growth threshold.
  9. Cap Lining and Wadding

    How Cap Design Affects Liner Insertion Speed And Sealing Performance

    Cap geometry and internal structural design rarely match the realities of a busy manufacturing floor.
  10. Cap Lining and Wadding

    Cap Lining Machine Vs Manual Liner Insertion: Cost, Speed, And Quality Comparison

    Early-stage manufacturing often relies heavily on manual labor.
  11. Cap Lining and Wadding

    How Vision Inspection Helps Detect Missing Or Misplaced Cap Liners

    High-speed packaging lines demand absolute precision to protect product integrity.
  12. Cap Assembly, Slitting and Folding

    Common Quality Issues In Flip-Top Cap Assembly And How To Solve Them

    Flip-top caps dominate modern packaging across numerous consumer industries.
  13. Blow Moulding

    Maximizing Output for 5L Containers with Fully Automated Blow Molding

    Producers of 5L containers, such as jerry cans and oil bottles, face a persistent challenge: scaling production to meet high…
  14. Blow Moulding

    Meeting High Demand: Production Solutions for Chemical and Detergent Bottles

    The demand for household chemical and detergent products is consistently high, but the manufacturing landscape is evolving…
  15. Blow Moulding

    Versatile Packaging Solutions for PET, PP, and HDPE Bottles

    Choosing the right plastic—whether PET, PP, or HDPE—is a critical first step in packaging design.
  16. Cap Assembly, Slitting and Folding

    Tailoring Automation: Building a Custom Cap Assembly Solution for Your Line

    In manufacturing, off-the-shelf equipment often forces a difficult compromise between your ideal process and what is readily…
  17. Neck Cutting

    Improving Finish and Safety with Precision Neck Trimming Technology

    In the competitive world of packaging, the integrity of a container is paramount.
  18. Handles, Conveyors and Inspection

    Ergonomic Design Made Simple: Automating Handle Ring Application

    Manual application of handle rings on large bottles and containers is a common bottleneck in many production lines.
  19. Blow Moulding

    Key Considerations for Choosing an Extrusion Blow Molder for Industrial Containers

    Choosing an extrusion blow molding machine for industrial containers is a major capital investment.
  20. Labeling

    Achieving Consistent Branding with High-Speed Automatic Labeling

    On a crowded retail shelf, your product's label is its handshake with the consumer.
  21. Blow Moulding

    Manufacturing Durability: Producing HDPE Jerry Cans from 1L to 30L

    The demand for robust, reliable, and compliant HDPE jerry cans is unwavering.