Top 10 Thin-Wall Injection Molding Manufacturers in the World

Do you require the world’s finest thin-wall injection molded parts from international suppliers? Do you require the world’s finest thin-wall injection molding providers? The following are the new world’s top 10 thin-wall injection molding providers of 2025 to help make the right and technically qualified partners. With thin-wall molding becoming increasingly widespread in industries like medicine, automotive, and packaging, manufacturer selection with experience is crucial. Following is the list of the world’s leading thin-wall injection molding manufacturers to assist you in making the perfect decision for your upcoming project.

1. List of Thin-Wall Injection Molding Manufacturers in the World

Following is the list of the world’s leading 10 best thin-wall injection molding manufacturers based on their technical capabilities, market standing, and output volume.

2. Top 10 Thin-Wall Injection Molding Manufacturers in the World

For thin-wall injection molding, the most suitable manufacturer has to be chosen with utmost care in the interest of buying effective, quality goods and economic manufacturing. The top ten best manufacturers in the world based on professionalism, latest technology, and whether they can cope well with the types of demands posed by industries globally are as follows:

Top 1: Holly Plastic Parts

Holly Plastic Parts is a Chinese manufacturer with over two decades of experience in producing thin-wall plastic injection molding. They have a world-class factory that houses the most sophisticated injection molding machines for thin-wall applications that they supply to Asia, North America, and Europe.

With precision engineering being the top priority, Holly manufactures very thin-walled plastic parts with a minimum wall thickness of 0.3 mm, which are used in food packaging of large quantities, medical instruments, and household appliances. Different polymers like PP, PS, ABS, and specially designed resins are used by the company with the vision to meet different functional and regulatory specifications.

Holly does the entire process, starting from mold design and development through injection molding, secondary operations, and quality inspection. It also offers specialty processes like stack molding, rapid-cycle molding, and in-mold labeling (IML) according to customer specifications. Through its in-house tooling workshop facility and highly hands-on engineering personnel, Holly offers cost-effective and safe solutions for complex, time-sensitive projects.

Website: https://www.hollyplasticparts.com/thin-wall-injection-molding/

Year established: 2000

Location: China

Products:

• Thin-wall food containers
• Disposable plastic lids and trays
• Medical-grade plastic housings
• Cosmetic packaging shells
• Thin-wall enclosures for electronics

Top 2: EVCO Plastics

EVCO Plastics, established in 1964, holds a global market leadership role in the plastic injection molding industry with headquarters in the United States and manufacturing activities in the U.S., Mexico, China, and Malaysia. EVCO has more than 50 years of experience and an impeccable reputation for engineering expertise in molding, for example, thin-wall applications in medical, packaging, and consumer electronics markets.

The company utilizes more than 180 injection presses of 28 to 3,500 clamping tons capacity to provide an enormous range of part sizes and complexity. EVCO is a value-added molding solutions provider of gas-assist, overmolding, two-shot molding, and in-mold labeling (IML) for challenging solutions with fast cycle times and tight tolerances.

EVCO offers vertically integrated services including product design, mold development, scientific molding, automation integration, and secondary operations. Its internal engineering department works with customers globally from concept through production in order to provide product performance and manufacturing productivity. EVCO is ISO 13485 and ISO 9001 certified with rigorous quality processes and has scalable product lines and high-volume manufacturing capability.

Website: https://www.evcoplastics.com/

Year established: 1964

Location: United States

Products:

• Thin-wall medical containers
• Consumer electronics housings
• Plastic food packaging lids
• Two-shot molded parts
• Custom-engineered thin-wall enclosures

Top 3: PILLER AIMMCO

PILLER AIMMCO, a precision injection molding company located in Oregon, USA, founded in 1963, has specialized in difficult, close-tolerance plastic parts, i.e., thin-wall parts. The forty-year-old company serves demanding markets such as medical, aerospace and defense, electronics, and consumer products through specially-engineered molding services to fulfill high technical as well as regulatory standards.

PILLER AIMMCO has a well-integrated manufacturing plant with advanced molding machines, computer-generated parting, and an on-site tool shop to build and re-machine molds accurately. PILLER AIMMCO produces a massive quantity of an extensive range of thermoplastics, such as high-strength resins and polycarbonate, that are most suitable for thin-wall applications where dimensional stability and high-strength are most critical.

Their strengths include overmolding, insert molding, micro-molding, and scientific molding operations for repeatable performance for small- to medium-series production. AIMMCO PILLER engineers collaborate with customers from prototype to production, from the parts to the design, and the cost. The company is ISO 9001 and AS9100 qualified and committed to quality, traceability, and continuous improvement.

Website: https://www.pilleraimmco.com/

Year established: 1963

Location: United States

Products:

• Thin-wall aerospace components
• Medical-grade housings
• Precision defense enclosures
• Insert-molded electronic parts
• Thin-wall consumer product shells

Top 4: Matrix Tool

Matrix Tool, which was established in 1972, is a global leader in injection moulding and tooling with expert thin-wall application expertise. Being headquartered in the United States of America, the corporation positioned itself as more superior quality plastic components with unrivalled accuracy to the medical, automotive, and consumer goods markets. Matrix Tool possesses full service capability, such as mold design, tooling development, prototype, and production manufacturing, to allow them to offer customers concept-to-product delivery service.

With a full range of state-of-the-art injection molding equipment, Matrix Tool is capable of manufacturing thin-wall parts in cost-effective and high-precision moldings. From their years of experience with difficult mold designs and the latest molding technology, they are able to manufacture stamp out parts to very tight tolerances and low warpage. Matrix Tool’s dedication to quality is evident in its registration to ISO 9001, qualifying each part to the highest possible level.

Founded on a base of engineering innovation and ingenuity, Matrix Tool is a business partner that can provide high-performance, thin-wall molded parts to worldwide customers in high-reliability markets. Matrix Tool manufactures parts in low volume and high volume and is a responsive and reliable producer.

Website: https://matrixtoolinc.com/

Year established: 1972

Location: United States

Products:

• Thin-wall automotive components
• Precision medical device parts
• Consumer electronics housings
• Over-molded plastic parts
• Custom injection molded enclosures

Top 5: Alleycho

Alleycho started production in 1998 and is among the veteran Chinese thin-wall injection mold factories with a history of producing high-precision plastic parts for different industries like the automobile, consumer electronics, and medical equipment industries. Alleycho has over 20 years of industrial history and the capability of manufacturing high-quality, light-weight plastic parts as required by the current production.

Alleycho has an impressive ultramodern plant with high-tech injection mold machines that are state-of-the-art. The facility can machine up to ABS, polycarbonate, and polypropylene thermoplastic parts. Alleycho uses its thin-wall capability to produce 0.3 mm-thick wall parts without reducing strength and integrity. Along with injection molding, Alleycho provides value-added options such as mold design, tooling, in-mold labeling (IML), and automation assembly.

Alleycho holds quality commitment certifications like ISO 9001 and a previous track record of tight production timelines and low-cost solutions to worldwide customers. Alleycho has been supplying in North America, Europe, and Asia and is still a market-leading thin-wall molding,high-precision work at high volumes supplier.

Website: https://alleycho.com/

Year established: 1998

Location: China

Products:

• Thin-wall automotive parts
• Medical device housings
• Consumer electronics enclosures
• Food packaging containers
• Over-molded plastic components

Top 6: OECHSLER

OECHSLER is an international precision injection mold maker with expertise in high-precision thin-wall product molding, having its roots in Germany since 1864. Decades of reputation and prestige for world-class manufacturing processes and plastic injection molding technology innovation are the sources from which the company draws. OECHSLER provides mature high-performance products of high quality to a broad range of industries, such as the automotive, medical, and electronics industries, for mission-critical applications.

OECHSLER has some of the most technically advanced manufacturing factories in Europe, North America, and Asia to provide customers with global technical services. OECHSLER employs advanced injection methods such as multi-component molding, gas-assisted molding, and insert molding for the production of parts with very high tolerance and minimum cycle time. OECHSLER thin-wall molding technology provides weight-reduced but heavy-duty components at times with wall thickness as low as 0.3 mm.

By placing emphasis on sustainability, OECHSLER uses energy-efficient technology in production and is also doing everything possible to prevent waste and emissions. OECHSLER’s ISO-certified quality management guarantees all of the products to be of the highest quality in the industry and thereby renders OECHSLER a trustworthy business partner for producers globally.

Website: https://www.oechsler.com/en/

Year established: 1864

Location: Germany

Products:

• Thin-wall automotive parts
• Medical device enclosures
• Electronics housings
• Multi-component molded parts
• Precision over-molded components

Top 7: Aline Components

Aline Components Ltd is a thin-wall injection molding solution company founded in 1965 to manufacture thin-walled plastic products to supply the automotive, medical devices, and consumer electronics industries. It has its origins in the USA but has gained a reputation for being technologically competent, quality-focused, and punctual in providing cost-effective solutions to businesses across the globe.

The new products of the company include an entire series of high-performance injection molding machines that can mold thin-wall parts with improved dimensional stability and surface quality. Aline Components’ machines operate on a variety of engineering thermoplastics like ABS, polycarbonate, and PBT and produce light and stiff parts with 0.3 mm thin wall thickness.

Aline Components also offers value-added services like prototyping and mold design with the vision of providing better, custom-engineered solutions to its customers. Through process innovation and optimization, Aline Components has attained cycle time reduction and production efficiency optimization. Aline Components is certified with ISO 9001, a reflection of its commitment to consistency in quality and customer satisfaction.

Website: https://www.alinecomponents.com/

Year established: 1965

Location: United States

Products:

• Automotive interior components
• Medical device housings
• Consumer electronics enclosures
• Thin-wall packaging solutions
• Precision molded parts

Top 8: ENGEL

Founded in 1945, ENGEL is the world leader of injection molding machines for thin-wall molding technology. Based in Austria, ENGEL continued to expand with production and service facilities in Europe, Asia, and North America. ENGEL offers state-of-the-art technology to the automotive, medical, packaging, and electronics industries through its innovative solutions.

ENGEL’s emphasis on productivity and precision can be viewed from its whole range of high-speed thin-wall molding technologies. ENGEL technology enables products to possess a minimum of 0.3 mm thin wall thickness but with distinct mechanical properties and structural integrity. ENGEL in-house developed proprietary technologies like multi-component injection molding and in-mold labeling (IML) lower the cycle times for manufacturers and their productivity.

Apart from providing high-performance equipment, ENGEL also supports customers with automated integration solutions, mold-making, and digital solutions. With a long tradition and strict commitment to energy efficiency and sustainability, ENGEL is a trustworthy partner for companies that want to optimize the injection molding process.

Website: https://www.engelglobal.com/en/us/home

Year established: 1945

Location: Austria

Products:

• Thin-wall automotive parts
• Medical device housings
• Multi-component molded parts
• Electronics enclosures
• In-mold labeled packaging

Top 9: Cavity Mold

Cavity Mold was founded in the year 2009 as an operating corporation with specialization in manufacturing and developing precise molds that can be utilized in the thin-wall injection molding process. Cavity Mold, founded in the United States of America, has grown to become one of the highly ranked plastics injection molding corporations through its dedication to delivering quality but cost-effective services to diverse industries such as automobile, medical, packaging, and consumer goods.

Cavity Mold specializes in the manufacturing of thin-wall precision parts with low cycle time and consistent part quality. Using the most recent injection molding presses, with a clamping power of 28 to 1,000, Cavity Mold manufactures various molded parts with a variable wall thickness of 0.3 mm. Cavity Mold employs various thermoplastic materials such as ABS, polycarbonate, and polypropylene that best suit products that need to be rigid and light.

Precision engineering is Cavity Mold’s field, and they also have ancillary departments such as mold design and prototyping, so that they can design customized solutions to each and every application of the customer. Customer focus and satisfaction are provided by ISO 9001 certification, and thus, they are the first choice of customers when they need thin-wall molding solutions.

Website: https://www.cavitymold.com/

Year established: 2009

Location: United States

Products:

• Thin-wall automotive components
• Medical device parts
• Packaging products
• Consumer electronics enclosures
• Precision-molded enclosures

Top 10: Kemal

Kemal started operations in 1995 as a world-first research and development company in thin-wall injection molding and high precision manufacturing. Kemal, of Turkish origin, became renowned as the manufacturer of the highest quality lightweight but durable plastic parts with increasing demands in the automotive, medical, electronic, and packaging sectors. With more than 25 years of history, Kemal still offers innovative solutions to its international clientele.

Kemal employs technologically advanced equipment with machines that can make thin-wall components with high accuracy. Kemal also performs high-quality production using advanced molding processes such as multi-component molding and insert molding to make each component of the highest quality. Employing thermoplastic materials such as polycarbonate, ABS, and polypropylene, they can make parts of 0.3 mm or less in size without sacrificing mechanical strength and appearance.

Kemal’s commitment to quality is also supplemented by the ISO 9001 certification that they hold, which is a promise of their future adherence to customers’ specifications and requirements in manufacturing. They are also flexible because they can carry out low and high levels of manufacturing, thus making them an appropriate business partner to customers worldwide.

Website: https://www.kemalmfg.com/

Year established: 1995

Location: Turkey

Products:

• Thin-wall automotive parts
• Medical device housings
• Consumer electronics enclosures
• Packaging components
• Over-molded plastic parts

3. Important Things to Remember When Choosing Global Thin-Wall Injection Molding Manufacturers

When selecting a thin-wall injection molding factory worldwide, there are several factors to be kept in mind while selecting the project partner. Some of the most common questions to help you make the optimal decision are as follows:

1) What materials can be utilized in thin-wall injection molding?

Thin-wall injection molding is done using engineering thermoplastics such as ABS, polycarbonate, polypropylene, and polyamide. Material shall be compounded based on application since material shall have varying properties, i.e., strength, flexibility, and resistance to heat. It would be great to send a ring to the manufacturer and ask them to provide information regarding the material requirements so that maximum performance can be realized.

2) What is the best way of finding the optimum wall thickness in my parts?

Thin-wall thickness should be between 0.3 mm and 1.5 mm, the thickness shall be material specification and part structural requirement-based. Thin-wall injection molded part makers can guide you in choosing the appropriate wall thickness to offer strength, weight, and cost savings during manufacturing.

3) What are the new injection molding processes that top manufacturers can offer?

Top manufacturers know that they have to adopt new processes like multi-component molding, gas injection molding, and insert molding. They provide more efficiency, reduced cycle time, and quality for complex parts. In making a decision which manufacturer to hire, one must have a seat with the person and get him to show how he integrates such new procedures in addressing some project requirements.

4) How critical is quality certification during the manufacturer selection process?

Certifications such as ISO 9001 are important when selecting a thin-wall injection molding factory. Certifications guarantee that the factory has good quality control measures and is able to produce to an international standard. A certified factory limits the chances of defects and production delays.

5) How do I determine a manufacturer’s output capacity?

In order to calculate the production capacity of a manufacturer, inquire about machine capability, i.e., clamping force, cycle time, and machines to use. An organization with multiple injection molding machines offers different capacities for production, with scalability and flexibility for your business.

By taking a little time to question these concerns and investigate potential manufacturers, you will be making an excellent choice and employing an excellent thin-wall injection molding manufacturer who is appropriate for your business.

4. Conclusion

Your right world thin-wall injection molding plant does have some relevance to your project’s success. Your right partner to the job has a keen vision of their talent, capability, and credibility, like having the right tool for the job. Find one who knows your very specific needs, has the state-of-the-art technology, and is quality-focused. Your ideal partners would not only be specialists but are team players, giving the communication openness and transparency.