China 128 Cavity PET Preform Mould Manufacturers Suppliers Factory - Custom Service

Professional PET preform mold manufacturer in China!

SZ-MOLDTECH (Jiaxing) Co., Ltd. is a leading PET preform mould manufacturer in China, specializing in complete PET preform solutions, including design, R&D, manufacturing, and global sales. Leveraging advanced European manufacturing technologies and years of continuous innovation, SZ-MOLDTECH produces high-precision PET preform moulds with performance comparable to international brands such as HUSKY and MHT, while offering superior cost-performance advantages.

The company designs and manufactures custom PET preform mould systems compatible with major injection molding machines, including HUSKY, NETSTAL, HUAYAN, UNIQUE, and KATA. In addition, SZ-MOLDTECH provides PET mould refurbishment, upgrading services, and spare parts supply, including hot runner systems, cold half moulds, cores, cavities, and neck rings.

With a strong focus on precision engineering, durability, and efficiency, SZ-MOLDTECH is committed to delivering reliable, high-performance PET preform mould solutions for global packaging manufacturers.

128 Cavity PET Preform Mold | A stable solution for high cavity preform molding

Balanced 128-cavity configuration for reliable output
A well-structured cavity layout ensures uniform filling and consistent performance across all cavities, supporting stable large-scale production.

Strict tolerance control for consistent molding quality
Precision engineering ensures uniform weight, accurate neck finish, and consistent dimensions, even during long production cycles.

Efficient cooling layout for shorter cycle times
Carefully designed cooling channels enhance heat dissipation, helping to reduce cycle time while maintaining part integrity.

Seamless integration with automated production systems
Designed to match modern high-speed production lines, improving overall efficiency and minimizing production interruptions.

128 Cavity PET Preform Mold

MOLD PITCH LAYOUT

CAVITATION	LAYOUT	PITCH	Thread up to	Support ring up to	MAX.body Dia.
48CAV.	4X12	60X152	38mm	42mm	38mm
72CAV.	6X12	60X140	38mm	42mm	38mm
	6X12	50X140(2X100)	30mm	34mm	30mm
	6X12	50X120(1X120)	30mm	34mm	30mm
96CAV.	8X12	60X140	38mm	42mm	38mm
	6X16	50X140(2X100)	30mm	34mm	30mm
	8X12	50X120(1X100)	30mm	34mm	30mm
	6X16	60X114(1X120)	38mm	42mm	38mm
128CAV.	8X16	50X120(1X100)	30mm	34mm	30mm
128CAV.	8X16	50X111	30mm	34mm	30mm
144CAV.	8X18	50X140(3X100)	30mm	34mm	30mm

The mold is applicable to various machine models, subject to confirmation by the project engineer.

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Why Choose Us

Advanced Equipment

Our laboratory is equipped with a full set of high-precision metrology and testing instruments, including coordinate measuring machines, 2D precision vision measurement systems, high-precision height gauges, and pressure and hardness testers, among other professional mechanical testing equipment. We continuously upgrade our production facilities to meet the production needs of large, multi-cavity, high-speed PET preform molds.

Technical Team

Our team consists of highly qualified process engineers, dedicated design specialists and more than 30 seasoned frontline technical experts. Each team member has over 10 years of in-depth professional experience in the PET preform mold sector.

Flexible Customization Services

We offer comprehensive mold manufacturing and custom services, covering Cold Half, Hot Half, EOAT, key mold components (core, cavity, neck ring, etc.), mold refurbishment and conversion. Our professional team and advanced equipment enable us to provide reliable, efficient preform mold solutions for customers worldwide.

Quality Assurance

Accuracy, stability and reliability of all mold components are rigorously controlled across the entire production process, delivering a solid assurance for customers' high-quality, high-performance PET preform tooling solutions. Our integrated innovation and quality assurance systems guarantee that every mold complies with top-tier international standards.

Advantages of 128 Cavity PET Preform Mould

Ultra-High Production Capacity
The 128-cavity design allows the mould to produce 128 PET preforms in a single injection cycle, dramatically improving productivity compared to lower-cavity moulds.
Typical cycle time: 8–12 seconds
High hourly output for large-scale manufacturing
Supports continuous 24/7 operation

Precision Engineering & Consistent Quality
Each cavity is manufactured using advanced CNC machining and ultra-precision grinding, ensuring dimensional tolerance within ±0.01 mm.
Uniform preform weight and wall thickness
Accurate neck finish for sealing performance
Reduced defects during blow molding

Optimized Cooling System for Faster Cycle Time
The mould features a balanced cooling channel design, ensuring efficient heat dissipation across all cavities.
Shorter cycle time
Prevents deformation and crystallization issues
Enhances production efficiency

Durable Construction & Long Service Life
Constructed from high-grade mold steel (S136 / H13), the mould offers excellent wear resistance and corrosion protection.
Lifespan: millions of cycles
Stable performance under high-speed operation
Reduced maintenance frequency

Advanced Hot Runner & Valve Gate System
Equipped with a high-performance hot runner system, the mould ensures balanced material flow and precise injection control.
No material waste
Improved preform surface quality
Lower acetaldehyde (AA) levels

128 Cavity PET Preform Mould Applications

Mineral Water Bottle Preform Production
The high-cavity structure enables stable mass production, suitable for the high-speed production needs of conventional drinking water and purified water bottle preforms.

Edible Oil Bottle Preform Manufacturing
Excellent wall thickness consistency and strength control meet the stringent requirements for pressure resistance and impact resistance in edible oil packaging.

Carbonated beverage bottle preform production
Suitable for large-scale stable production of bottle preforms for high-pressure beverages such as cola and soda.

Types of 128 Cavity PET Preform Mould

Hot Runner PET Preform Mould
The hot runner system is essential for high-cavity moulds, ensuring efficient material flow and minimal waste.
Key Features:
Eliminates runner waste, improving material utilization
Maintains consistent melt temperature across all 128 cavities
Enhances cycle efficiency and reduces downtime
Supports continuous high-speed production

Valve Gate PET Preform Mould
Valve gate technology offers precise control over injection flow and timing.
Key Features:
Prevents stringing and gate defects
Improves surface finish and clarity
Reduces acetaldehyde (AA) levels
Ensures consistent preform quality

Standard Neck and Customized Neck Designs
The mould can be customized to produce different neck finishes depending on application needs.
Common Options:
PCO 1881 / PCO 1810 (beverage industry standard)
Oil bottle neck finishes
Wide-mouth and specialty packaging designs

High-Speed and Ultra-High-Speed Moulds
Advanced engineering allows for faster production cycles.
Performance Advantages:
Short cycle time (typically 8–12 seconds depending on configuration)
Higher output per hour
Improved energy efficiency

Packaging and Shipping

• Outside package: Export standard wooden case for both preform mould and temperature controller

• Inner package: Stretch waterproof film & Each Mold painted anti-rust oil.

• Packaging is made according to the customer's specific requirements.

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FAQ

Q: What customization options do you offer for your PET preform molds?

A: We offer comprehensive customization, from the number of mold cavities, runner structure, cooling system, steel grade, surface treatment to tolerance requirements. Our engineering team will provide the most suitable solution based on the customer's production line parameters, cycle time targets, and preform design, ensuring higher stability and longer mold life.

Q: What are the advantages of your PET preform molds in terms of stability?

A: Our molds undergo multiple rounds of optimization in structural design, steel selection, and cooling system to ensure stable injection, uniform molding, and a low defect rate under high-speed injection molding conditions. Each mold undergoes rigorous trial molding tests before leaving the factory to ensure consistent operation.

Q: Does your company have the capability to independently complete the entire manufacturing process?

A: Yes. We complete everything from design, processing, assembly to trial molding in our own factory, ensuring full process control. Our engineering team works closely with the processing department to ensure accurate implementation of design intent, consistent processing precision, and more controllable project delivery times.

Q: Can you provide guidance for customers purchasing PET molds for the first time?

A: Yes. We provide detailed technical specifications for customers making their first purchase or building a new production line, including preform specification recommendations, mold maintenance guidelines, production parameter references, and cost optimization solutions to help customers quickly enter a stable production phase.

Q: What about mold maintenance and after-sales service?

A: SZ-MOLDTECH provides comprehensive after-sales support, including mold installation guidance, operation training, regular maintenance recommendations, and rapid spare parts supply. We ensure that any problems encountered by customers during use can be resolved promptly, extending the mold's lifespan.

We are among the most professional manufacturers and suppliers of high-speed multi-cavity PET preform molds in China, offering comprehensive customized solutions. We welcome you to source high-quality, high-speed multi-cavity PET preform molds manufactured in China directly from our facility.The performance of SZ-MOLDTECH products is on par with that of their international counterparts. Compared to brands such as HUSKY and MHT, our molds maintain superior performance while providing a distinct cost-performance advantage.

38mm PET Preform Mould, 45mm Cold Fill Preform Mold, 128 cavity pet preform mould