In the PET preform production industry, molds are far more than simple tools. They determine production efficiency, product consistency, and the stability of final bottle quality. Especially for PCO 1881 standard PET preform molds, precision and reliability directly affect capacity and cost control in high-demand packaging sectors such as carbonated beverages and bottled water.

Industry Background and the PCO 1881 Standard
PCO 1881 is one of the most widely used neck finish standards for PET preforms. It features a shorter thread design, reduced material usage, and reliable sealing performance, making it ideal for high-speed production of carbonated drinks, bottled water, and other liquid packaging products.
In PET preform mold manufacturing, high precision, minimal tolerance deviation, and long-term operational stability are critical indicators of supplier capability. PCO 1881 PET preform molds are used in injection molding systems to produce preforms, which are later stretch-blow molded into finished plastic bottles. A high-quality mold significantly improves production efficiency, reduces scrap rates, and lowers overall manufacturing costs.
Top 5 PET Preform Mold Manufacturers in 2026
SZ-MOLDTECH (Jiaxing) Co., Ltd. - Leading Innovation in High-Precision Preform Molds
As one of China's leading PET preform mold manufacturers, SZ-MOLDTECH (Jiaxing) integrates R&D, production, and sales, focusing on the design and manufacture of high-precision PET preform molds.
The company offers a wide range of cavity configurations, including 48 cavity, 72 cavity, 96 cavity, 128 cavity, and 144 cavity, with full customization available based on customer production requirements. Through optimized structural design, balanced cooling systems, and precision machining processes, SZ-MOLDTECH achieves excellent stability and consistency, particularly in high-speed PCO 1881 production systems.
The company strictly controls wall thickness uniformity and neck dimensions to ensure excellent pressure resistance and sealing performance. In addition, it provides mold refurbishment and upgrade services, extending mold lifespan and reducing long-term investment costs.
From a technical perspective, SZ-MOLDTECH is equipped with advanced five-axis machining centers, high-precision inspection instruments, and a structured project management system that ensures strict quality control from design to delivery. Its molds are widely used in beverage and food packaging industries worldwide, with strong market recognition in Europe, the Middle East, and other international markets.

Huayan
Huayan has extensive experience in PET preform mold development and manufacturing. The company emphasizes high-precision, high-efficiency mold systems and adopts advanced valve-gate hot runner technology.
Core, cavity, and neck ring components are manufactured from high-grade wear-resistant stainless steel to ensure long-term operational stability. Huayan supports ultra-high cavity configurations exceeding 176 cavities, meeting the demands of large-scale production lines.
Its molds are widely applied in carbonated beverage, edible oil, and pharmaceutical packaging sectors. Strict process control enables tight dimensional tolerances and consistent wall thickness, positioning the company as a strong supplier choice in both domestic and international markets.
Sino
Sino Mould has more than two decades of experience in PET preform mold manufacturing and is recognized as an established supplier in the industry. Its product range covers cavity configurations from 48 to 144 cavities and supports multiple neck standards, including PCO 1881, PCO 1810, and 38mm finishes.
The company has developed a structured production system and maintains inventory capacity for faster delivery of standard molds. Its balanced water channel design and proprietary hot runner technology improve cooling efficiency and cycle consistency, significantly enhancing production stability.
Sino Mould is particularly valued by small- and medium-sized beverage manufacturers seeking reliable performance and quick lead times.
Shunke
Shunke Moulding specializes in the research and manufacturing of PET preform molds with multiple cavity options suitable for both trial production and mass production.
The company integrates high-precision temperature control systems and standardized machining processes to maintain stable production performance while offering competitive pricing. Its integrated service approach - covering design, manufacturing, and after-sales support - has helped the company secure a solid customer base in medium-capacity markets.
Shunke maintains a stable presence within China's PET preform mold supply chain through practical engineering solutions and dependable mold performance.
G-PLAS
G-PLAS brings over 30 years of experience in PET preform mold manufacturing. The company offers hot runner and cold runner molds ranging from 12 to 96 cavities, compatible with PCO 1881 and other neck standards.
Its long-standing technical expertise ensures reliable machining precision, material treatment quality, and mold durability. The structural design of its molds, combined with stable hot runner performance, supports continuous production in carbonated beverage and high-volume manufacturing environments.
G-PLAS remains a solid choice for medium-to-high capacity PET preform production lines.
Industry Trends and Technical Focus
Across the industry, high-cavity PET preform molds are becoming the mainstream configuration to increase production efficiency and output per floor space. Meanwhile, higher standards are being applied to cooling system balance, hot runner design, material durability, and precision machining tolerances.
Manufacturers are increasingly using high-temperature-resistant and wear-resistant materials, combined with optimized water channel layouts and CNC machining centers, to ensure stable operation and consistent preform quality.
As global demand for efficiency and quality consistency grows, more suppliers are adopting advanced manufacturing philosophies and stricter quality control systems to narrow the technological gap with leading international players.
Conclusion
In 2026, the PCO 1881 PET preform mold market continues to mature, with competition driven by precision engineering, production stability, and service capability.
Among the top manufacturers, SZ-MOLDTECH (Jiaxing) Co., Ltd. stands out for its high-precision manufacturing capacity, comprehensive service system, and strong international delivery performance. Other key players contribute with diversified product ranges, large-cavity expertise, and cost-effective solutions, creating a competitive and dynamic industry landscape.
For companies seeking high-performance PCO 1881 PET preform molds, supplier selection should go beyond mold quality alone. Technical support, after-sales service, customization capability, and compatibility with existing production lines are equally critical.
The five manufacturers listed above represent reliable options across premium and cost-effective segments, providing valuable references for mold procurement and capacity upgrades in 2026.





