Zhejiang Derz Machinery Co., Ltd. | Advanced Film Blowing & Bag Making Machines

About Zhejiang Derz Machinery

Located in Ruian, Zhejiang China Packaging City, Zhejiang Derz Machinery Co., Ltd. is a joint-stock company dedicated to the manufacture and sales of plastic film blowing extruders and bag making machines.

We have a large number of talents excelling in technology, production, sales, and management, as well as a group of well-trained and extensively experienced technical personnel. Our team ensures every machine meets the highest standards of quality and performance.

With advanced R&D capabilities and a modern production workshop, we deliver innovative solutions tailored to the evolving needs of the packaging industry worldwide.

Our Products

High-performance film blowing and bag making machines engineered for industrial efficiency.

Three-layer ABA Co-extrusion Twin Die

Advanced co-extrusion technology for high-strength multi-layer films. Ideal for packaging requiring barrier properties.

High-speed Film Blowing Machine

Optimized for maximum output with stable bubble control and energy-efficient operation. Up to 200kg/h output.

Rotary Die-head PP Film Blowing Machine

Specialized for polypropylene films with uniform thickness and high clarity. Rotary die ensures consistent material distribution.

Two-layer Co-extrusion Rotary Die-head

Efficient dual-layer film production with excellent interlayer adhesion. Suitable for LDPE, LLDPE, and mLLDPE.

Three-layer Co-extrusion Rotary Die-head

Premium solution for high-barrier packaging films. Combines strength, flexibility, and moisture resistance.

Two-layer Rotary Die-head Double Rewinding

Dual rewinding system increases productivity and reduces downtime. Perfect for continuous high-volume operations.

Full Automatic Medium Speed T-shirt Bag Heat-cutting

Full Automatic Medium Speed T-shirt Bag Machine

Integrated heat-cutting system for precise bag shaping. Handles 60–100 bags per minute with minimal waste.

Full Automatic High Speed T-shirt Bag Heat-cutting

Full Automatic High Speed T-shirt Bag Machine

Ultra-fast production up to 180 bags per minute. PLC-controlled for consistent quality and easy operation.

LDPE Film Blowing Extrusion Line

Complete turnkey solution for low-density polyethylene films. Includes extruder, die, haul-off, and winding.

LLDPE Co-extrusion Blown Film Machine

Designed for linear low-density polyethylene with excellent puncture and tear resistance. Ideal for heavy-duty sacks.

Why Choose Derz Machinery?

Engineered for reliability, performance, and long-term value.

Industrial Grade Build

Heavy-duty components and precision engineering ensure long service life under continuous operation.

High Efficiency

Optimized energy consumption and high output rates reduce operational costs and increase ROI.

Advanced Automation

PLC control systems with touch screen interfaces for intuitive operation and real-time monitoring.

Global Support

Installation, training, and after-sales service available worldwide. 24/7 technical assistance.

Frequently Asked Questions

What types of materials can your machines process?

Our film blowing machines are compatible with LDPE, LLDPE, mLLDPE, HDPE, PP, and co-extrusion blends. Custom configurations available for specialty resins.

Do you offer turnkey production lines?

Yes, we provide complete solutions including extrusion, film blowing, printing, bag making, and packing systems tailored to your production needs.

What is the delivery time for standard machines?

Standard machines are typically delivered within 30–45 days after order confirmation. Custom models may require additional time.

Do you provide installation and training?

Yes, we offer on-site installation supervision and operator training. Remote support is also available via video and documentation.

What is your warranty policy?

All machines come with a 12-month warranty covering manufacturing defects. Extended warranty options are available upon request.

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Precision Film Blowing &
Bag Making Technology

About Zhejiang Derz Machinery