Top 10 Injection Molding Companies in Thailand

Table Of Contents

Thailand has long been an important gateway to economic power, located at the heart of ASEAN and linked to fast-growing Cambodia, Laos, Myanmar and Vietnam.

Thailand’s world-class transport infrastructure and proximity to China further provide huge opportunities for cross-border trade and investment. There are enormous opportunities for cross-border trade and investment. Looking for a reliable injection mold manufacturer in Thailand?

In this article, we list the top 10 injection molding manufacturers in Thailand. For each supplier, we provide a short presentation and a description of their products and services, certificates, years in business and other key metrics.

Top 10 Injection Molding Companies in Thailand

1. Thai Mitsuwa Public

  • Location: Pathumthani, Thailand
  •  Company type: Manufacturing
  • Year founded: 1988
  •  The number of employees: 1800-1899
  • Main products: Mold design, Injection molding, Double color injection molding, Heat and cool injection molding

Thai Mitsuwa Public Company Profile

Thai Mitsuwa Public is an injection molding supplier with ISO and Green Industry certificates. The company was founded in 1988, and listed on the stock exchange of Thailand in 2003. Thai Plastic Public started with 45 workers and 6 injection molding machines.

Now they have 1,850 workers in Pathumthani and own 140 injection molding machines, including normal injection molding, double color injection molding, heat and cool injection molding.

The company supports a full cycle of molding processes that includes molding design, gridding, CNC, spray, finishing, and inspection.

With 31 years of experience, Thai Micro Plastic is one of the leading injection molding suppliers in Thailand; the company mainly export to Japan, and some of their well-known clients are Honda, Daikin, Canon, and Panasonic.

2. Malaplast

  • Location: SamutPrakan, Thailand.
  • Company type: Manufacturing
  • Year founded: 1957
  • The number of employees: 1500-1599
  • Main products: Injection molding, Blowmolding, Melamine and thermoset molding

Malaplast Company Profile

Malaplast was founded in 1957 by Dr. Mala Sittachitt. It offers injection molding services from 1971. Being one of the first injection molding companies in the country, Malaplast claims they are the first company to set up the melamine tableware production process in Thailand.

Malaplast offers melamine tableware mold products by using the thermoset molding process; they support a wide range of products that include plain melamine, decoration melamine, glazing melamine, and two-tone melamine.

Today, Malaplast is one of the leading manufacturers of high-quality internationally certificated melamine products.

3. TTS Plastic Co.,LTD.

  • Location: Bang Pakong, Thailand
  • Company type: Manufacturing
  • Year founded: 1991
  • The number of employees: 1300-1399
  • Main products: Molding design, Plastic injection, Molds assembly, In-house molds repair, Molds modification

TTS Plastic Co.,LTD Company Profile

Founded in 1991, TTS Plastic was started as a Taiwan-based mold manufacturing company and specialized in plastic injection molding services.

Due to the rising cost of labor and supplies in Taiwan, the company moved its molding facilities from Taiwan to Thailand in 1993.

Today, there are 1,300 employees and 84 injection molding machines that operate in 99,000 square meter factory in Chachoengsao, Thailand.
The company offers molding design, plastic injection, molds assembly, in-house molds repair, and molds modification.

It also has a number of sustainability and quality certifications, below you can find a few examples.

4. Molder Enterprise

  • Location: Samutsakorn, Thailand
  • Company type: Manufacturing
  • Year founded: 1996
  • The number of employees: 700-799
  • Main products: Mold design, Plastic molds, Rubber molds, Blow molds, Die-casting mold

Molder Enterprise Company Profile

Molder Enterprises is a mold-maker in Thailand for commercial manufacturing processes. The process of mold-making is an ancient craft, handed down over the generations.

Molder Enterprise was founded in 1996.Today it’s one of the leading injection molding companies and complies with ISO 9001:2008, ISO 9001:2015, and ISO TS 16949:2009. Some of the molding companies
offer both molding services and bulk production, while Molder Enterprise only specializes in molds manufacturing.

Molder Enterprise has over 20 years of experience in the molding industry; further, the factory is installed the most innovated tools and machines, such as CNC, wire cut machines, and EDM.

The company offers both plastic and metal injection molds, and it supports a full range of molding processes such as plastic mold, rubber mold, blow mold, and die-casting mold.

5. Roong Thavorn Plastic Co., Ltd.

  • Location: Bangkok, Thailand
  • Company type: Manufacturing
  • Year founded: 1992
  • The number of employees: 700-799
  • Main products: Plastic Injection, Mold Create, Plastic Product Painting (By Humen And Robotic) Electroplate Of Plastic Product

Roong Thavorn Plastic Co., Ltd. Company Profile

Founded in 1992, Roongthavorn Plastic Co., Ltd. is a professional plastic injection mold manufacturer. With their continuous improvement and investment in techniques, services, and facility, the capital is accumulated 180 million baht in 2005.

They have now over 700 employees including more than 30 staff for QA/ QC and management. Moreover, they has been certificated ISO 9001:2000, TS16949:2002 and ISO 14001:2004.

To provide one-stop service to their customers is their aim. From model develop to plastic injection; from spray painting, hot stamping to silk screen; as well as the assembly. Meanwhile, the technique of insert,
in mold and Thermalject are under development.

Nowadays, they are expanding their market globally with the superior quality, reasonable pricing and professional sales team. To meet your satisfactions is their pleasure and they sincerely invite your for future cooperation.

6. Thai Nissin Mold

  • Location: Ayutthaya,Thailand.
  • Company type: Manufacturing
  • Year founded: 1996
  • The number of employees: 200-299
  • Main products: Manufacturing mold, Engineering plastic parts

Thai Nissin Mold Company Profile

Thai Nissin Mold is a Japan-based company, it was established in 1995 and started to manufacture injection molds in 1996.

The main factory and head office is located in Ayutthaya Province, and they also have a sub-factory in Chonburi Province. 

Thai Nissin Mold offers mold design services by using one of the newest and most reliable mold design software, called Mold Flow. Mold Flow is a CAE software that creates a mold model in the computer and analyzes the flow of the plastic injection process.

It can reduce the investment costs and development time, predict and minimize problems, and enhance product quality. Thai Nissin Mold applies this software in mold development for many companies, including Sony, Toshiba, Canon, Toyota, Nissan, BMW, Ford, HP, Kodak, and Samsung.

7. THAI NEWTON Co., Ltd.

  • Location: Chonburi,Thailand.
  • Company type: Manufacturing
  • Year founded: 1986
  • The number of employees: 100-199
  • Main products: Molds fabrication, Plastic injection molding, Precision molds

Thai Newton Company Profile

THAI NEWTON Co., Ltd. was established as Thailand Factory of NEWTON in 2012 due to increasing customer demands from South East Asia. THAI NEWTON mainly manufactures automotive parts.

Today they continue to manufacture and assemble plastic injection molded products, allowing us to provide complete unit products to their valued customer. Established in 1986, Thai Newton offers mold design and precision plastic injection molding.

The company is a subsidiary of Tohno Semitsu Co. Limited, which is a global injection molding company located in the Philippines, Hong Kong, and China.Thai Newton has the experience to produce automotive parts moldings and medical moldings.

In addition, the company owns precision molding technology to produce an extremely precise mold for even a product with 4mm of width.

8. Inter Profile Co.,ltd.

  • Location: Bangkok,Thailand
  • Company type: Manufacturing
  • Year founded: 1944
  • The number of employees: 100-199
  • Main products: Plastic Profile,Extrusion,Blow Mould,Injection,Plastic

Inter Profile Co.,ltd. Company Profile

Inter Profile Co,Ltd was founded to solve these problems for you. They can serve all kinds of demands for plastic products with their company’s commitment “Plastic Solution for All Application” Inter Profile Co.,Ltd was founded on 1944.

With two-story building having an area of 64 square meters located in Meenburi,they serve customer’s demand in plastics. To adapt with increased demand,they expand the factories to an area of 4 rais inside Navanakorn Industrial Estate on 2001.

Now, there are 7 factory building with 6880 square meters of working space. Inter Profile is now widely recognized full-scale plastic injection mold manufacturing factory with a production of high-quality products.

In-House Design Using ProE, ETPs Such As LCP, PC, PBT, PEI, PPS; Moldmaking, TPE Overmolding, & Large New Class 100,000 Clean Room Facility For Molding & Assembly. Secondary Operations Capabilities Include Adhesives, Annealing, EMI/RFI Shielding, Machining, Painting, Silicone Hard-Coating, Ultrasonics.

9. Srithai Moulds Co., Ltd

  • Location: Chonburi ,Thailand
  • Company type: Manufacturing
  • Year founded: 1990
  • The number of employees: 100-199
  • Main products: Injection Mold Design and Manufacturing

Srithai Moulds Co., Ltd Company Profile

Srithai Moulds Co.,Ltd. started its mold-making business in the year 1990. With over 27 years’ experience in mold-making and with a record of making more than 2,700 sets of mold, Srithai Moulds Co.,Ltd. has earned the confidence of their clients in many industries.

Srithai Moulds Company will continue to improve the production technique to ensure that we can always serve the needs of our clients. It employed machinery and tools which could make small molds less than 3 tons in weight, and focused mainly on molds factors and household utensils.

In 2000 automobile industries and In 2012 Packaging Part made impressive growth. Injection Mold Manufacturers tried to replace metal parts with plastic parts to bring cost down. Many companies were importing molds from their parent companies abroad.

Therefore, Srithai mould focused on the development and improvement of mold-making techniques. A group of Japanese experts gave them technical assistance. They increased capital expenditure budgets to buy modern and bigger machinery and highly efficient computer software, so the production capacity of the company was increased to making molds of 12 tons in weight. Srithai moulds could serve needs of any company in Thailandfor mold-making by that time.

As a result, Srithai Moulds could attain more and more confidence from its clients in many industries in Thailand and abroad.They employ a strong quality system certified to ISO 9001 and 13485 standards, and by utilizing the latest technology and taking a scientific approach to injection molding.

10. KEiTEQ

  • Location:  SamutPrakan,Thailand
  • Company type: Manufacturing
  • Year founded: 1997
  • The number of employees: 100-199
  • Main products: Plastic injection molds, Mold design, Hot runner molds, Cold runner molds

KEiTEQ Company Profile

KEiTEQ has its head office and factory in Samut Prakan city, Thailand.
They also set up a mold trading office and sales office in Selangor and Tokyo, due to most of their sales and designers are based in Malaysia and Japan.

KEiTEQ is a plastic injection mold supplier with ISO 9000 certificate.
Their team has two decades of experience in manufacturing injection molds that are then exported to customers in Japan, Thailand, and Malaysia.

The company supports a variety of molds technology, such as cool runner and hot runner, single color and double color molds.

In addition, they provide technical support in foreign languages ​​such as English, Japanese, Thai, Malay, Indonesian, Chinese and South Indian.

If you’re looking for more injection molding manufacturers, Also you can choose a Chinese injection mold supplier: Zetar Mold

Zetar Mold

  • Location: Shanghai, China
  • Company type: Manufacturing
  • Year founded: 2005
  • The number of employees: 201-300
  • Main product: Plastic Injection Mold, Plastic Injection Molding Manufacturing
  • Other products: Overmolding Products, Insert Molding Products, 3D printing and CNC Prototyping

Zetar Company Profile

Zetar is a top-end turnkey manufacturing company that helps wholesalers and brand owners fulfill their products.

Zetar has more than 20 English speakers and 7 experienced mold design engineers (some of them can also speak English) with technique and english communication, which could make sure fluent communication and offer feasible design solutions.

Now total Zetar has mold making shop in house, 31 sets injection molding machines range from 60T-1100T. which 6 sets are in dust-free room(M7 Class), assembly room and logo printing room. The largest 1100T injection molding machines could produce product weight up to 5100g.

Zetar definitely also has many certificates: TUV, ISO9001 (quality system certification), TS16949 (certification for auto parts making), ISO14001 (certification for showing not harming the environment during whole manufacturing process).


Finding a trustworthy manufacturer nowadays is not that easy, especially that there are a lot of new manufacturers that have emerged just to keep up with the trend. But hopefully, our list was able to help you find the injection molding manufacturer that best suits your requirements. It is recommended to do a background check before creating partnerships with manufacturers because they will play a huge part in the success of your business.

If you’re looking for more injection molding manufacturers, check out the following articles:

Top 10 Injection Molding Companies In Malaysia

Top 10 Plastic Injection Molding Companies In Vietnam

Top 10 Injection Molding Companies In The Philippines

Top 10 Injection Molding Companies In India

Top 10 Injection Molding Companies In The U.S.

Top 10 China Injection Molding Companies

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