
Welltec Machinery Co., Ltd. is a core subsidiary of Cosmos Machinery Co., Ltd. (a Hong Kong-listed company). Founded in 1982, it specializes in the production of fully automatic injection molding machines and auxiliary equipment. Covering an area of about 200,000 square meters with nearly 1,000 employees, the company operates injection molding machine manufacturing bases in South and East China, making it one of the largest plastics machinery production bases in China. Drawing on nearly four decades of industry experience, Welltec continues to focus on niche segments — Ultra-large injection molding, energy-saving technology, complex processes, and customized applications — delivering differentiated equipment solutions to customers across various industries.

Turnkey solutions for high-value, high-volume, heavy-duty applications in automotive structural parts and logistics packaging.

High productivity, low energy consumption, and iSee intelligent manufacturing for precise, stable mass production.

From two-color to sandwich molding|Multi-material solutions tailored to your product needs.

Deeply integrated with a next-generation PET injection molding machine and high-speed multi-station side-entry preform take-out system for seamless control and efficient coordination.

Efficient plasticizing, fast cycles, stable molding — higher output, lower production costs.

Designed for heat-sensitive, corrosive PVC, with precise temperature control, stable plasticizing, and low-speed, high-pressure injection.

D Series Smart All-Electric Injection Molding Machine | High precision for clean, efficient manufacturing

High-efficiency molding solutions for food packaging | Every second drives productivity

Designed for high-volume production of 3–35L paint buckets, chemical buckets, and other large containers.
We are committed to delivering complete high-speed molding solutions, leveraging IoT to build energy-efficient, high-performance smart production lines.

HDPE and PP injection molding for medium-to-large, high-volume applications, combining large-scale molding capabilities with precise, standardized dimensions and consistent production quality.

Efficient and reliable injection molding solutions for piping and building materials, delivering stable processing, consistent quality, and efficient production.

Precision injection molding solutions for electronics, delivering high-quality components and connectors with higher yields, faster delivery, and consistent quality.

Precision and reliable injection molding solutions for medical applications, designed for clean production, high-precision molding, and consistent quality.

High-speed injection molding for food-grade packaging, delivering consistent quality and efficient mass production.

Injection molding solutions for large, lightweight, high-quality appliance components, delivering excellent appearance, dimensional accuracy.

High-performance injection molding solutions for automotive components, supporting precision molding, large parts, and reliable long-term production.

Injection molding solutions for high-volume, fast-paced production, delivering stable molding, consistent appearance, and efficient output for diverse consumer goods.

iSee 4.0 is an intelligent manufacturing management platform designed for the injection molding industry. Using IoT technology, it collects real-time data on machine temperature, pressure, speed, and energy consumption, and uploads it to the cloud.Managers can remotely monitor machine status, production progress, and alarms. The system also generates OEE reports and provides process optimization suggestions, helping factories achieve transparent, data-driven lean production, reduce downtime, and improve overall efficiency.
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Welltec Machinery integrates AI deeply into the entire injection molding process—not only enabling intelligent adjustment during production, but also combining AI with Moldflow simulation in the core simulation chain, achieving a key leap from “experience-based mold trials” to “data-driven prediction”.
Learn moreWe hold every detail to the strictest standard, seeing our products as carriers of customer trust. Solid quality is the foundation of our brand.
We keep exploring new technologies and possibilities, treating our products as the cornerstone of customer success. Breakthrough and change drive our brand forward.
We practice green manufacturing, embedding environmental responsibility into our products. Long-term thinking and balance safeguard our brand's future.