Turnkey Chemical Fiber Plant Designer & Manufacturer

Advanced Spinning Technology
and Complete Equipment for the Global Chemical Fiber Industry

Dalian Longsheng Machinery Co., Ltd. has been deeply engaged in chemical fiber engineering technology and equipment. Our portfolio covers polyester, polyamide, composite spinning, industrial yarn, nonwoven and staple fiber, with one-stop service from process design, equipment manufacturing, installation and commissioning to start-up training.

15+
Years of Experience
8
Product Lines
ISO9001
Quality Management System
National
High-tech Enterprise

About Us

About Longsheng

Focused on Chemical Fiber Engineering & Equipment

After fifteen years of development, Dalian Longsheng Machinery Co., Ltd. has grown into a well-established enterprise in chemical fiber engineering technology and equipment. We are engaged in plant design, equipment design, manufacturing, installation, software supply, commissioning and start-up, and fiber product development for chemical fibers and fiber raw materials.

With extensive design experience and advanced processing equipment, we deliver turnkey projects for differentiated products and grow together with our customers. So far we have delivered more than 5,000 spinning positions to well-known customers at home and abroad, including Shenghong, Hengyi, Tongkun, Xinfengming, Huafeng and Hyosung.

  • Licensed for design and manufacture of pressure vessels and pressure piping
  • ISO9001 Quality Management System Certification
  • National high-tech enterprise and key research institute for synthetic fiber technology
  • Located in Dalian Lushun Development Zone with modern workshops and complete testing facilities
3D view of Longsheng composite spinning line

Products

Products
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Composite Spinning Equipment

Complete technology and equipment for splittable, sea-island, side-by-side and sheath-core composite filament and staple fiber.

FDYPOYDTY
🧡

Polyester Direct / Chip Spinning

High-efficiency multi-end FDY/POY technology and equipment with high output per position and low energy consumption.

12–32 EndsDirect SpinningChip Spinning
🧢

PA6 / PA66 Polymerization & Spinning

Complete PA6 and PA66 chip spinning and polymerization-spinning equipment for civilian filament production.

PA6PA66FDY/POY
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Industrial Yarn & SSP

PET continuous / batch solid-state polycondensation and industrial yarn spinning equipment.

SSPIndustrial YarnHigh Tenacity Low Shrinkage
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Splitting Mother Yarn Equipment

PET / PA6 splitting mother yarn (one-step FDY) and splitting machine complete equipment.

Mother YarnSplittingFDY
🧽

Nonwoven & Staple Fiber

Spunbond / meltblown / SMS nonwoven and PET/PA/PP/BICO staple fiber complete equipment.

NonwovenStaple FiberSpunbond Meltblown
View Full Product Range

Engineering & Service Capability

Engineering & Service Capability

Mechanical Engineering

From process design to equipment manufacturing, complete mechanical solutions.

Process Engineering

Customized optimal process routes for different product requirements.

Piping & HVAC

Licensed for pressure piping design and manufacture, ensuring safe system operation.

Measurement & Control Engineering

High-precision melt distribution and automated control systems.

Electrical & Instrumentation

Complete line electrical integration and instrumentation.

Installation & Commissioning

On-site installation, commissioning and training by a professional team until stable production.

Turnkey Project Process

1

Feasibility

Feasibility

2

Process Design

Process Design

3

Manufacturing

Manufacturing

4

Installation

Installation

5

Commissioning

Commissioning

6

After-sales

After-sales

Qualifications & Certifications

Qualifications & Certifications
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Pressure Vessel License

Pressure Vessel License

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Pressure Pipeline License

Pressure Pipeline License

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ISO9001 Certified

Quality Management System

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High-tech Enterprise

National High-tech Enterprise