About Us
PTMS is a professional injection molding manufacturer in Shenzhen, China and specializing in custom plastic parts mass production. As an ISO9001-2008 system-certificated plastic injection molding manufacturer, we always offer a one-stop service from mold design to product assembly since 2002. Our goal is to provide top quality products and make value for customers.
Rich Experienced Team
As one of injection molding manufacturers in the world, PTMS like to produce top-quality custom injection molding parts for clients. Our products are widely used in many different industries. Over years of effort, we got ISO9001-2008 system certification, now we have 6 shops running, 1 shop for mold making, 2 shops for injection molding mass production, 1 shop for die-casting, 1 shop for 2nd operation processing such as painting and printing, 1 shop for full finished product assembly.
PTMS is one of the top injection moulding manufacturers in the world, specializing in producing top-quality plastic injection molded products. With decades of experience in injection molding and intense knowledge of the materials and technologies used, our products undergo rigorous quality control checks to ensure they surpass industry standards. Whether you’re after a single part or a vast array of injection molded parts, we have you covered with our injection molding services and expertise. PTMS is your trusty plastic injection molding manufacturer that ensures maximum performance and reliability for whatever projects you’re working on.
Advanced Machinery and Equipment
We also have many big capacity machines such as 10 sets of Japan injection machines from 50-200ton, 25 sets of China injection machines from 50-850ton, and 8 sets of China casting machines from 100-300tons, total colleagues are 200 people. Among the numerous injection moulding manufacturers in China, PTMS now has become a highly competitive one.
We invested auto injection machines for our all production equipment, it makes a little labor cost and improve our competitive molding price, so we can offer clients the top quality, reasonable price, and perfect service, 99% of clients like to work with us if they gave the first job to us and got good value.
We have many worldwide customers from many different industries, normal ones, and other famous companies, some customers are from as below:
ATA, Toshiba, Canon, Brothers, Lenovo For Printer & Electronics Industry
TDI-Arms, CAA-Arms, InsightTech For Defense & Security Industry
Benz, BMW, Audi, VW, Volvo, Pegform For Automotive Industry
Mindray, Hach, Electrolux, Whirlpool, and Haier For the Medical & Home Appliance Industry
Injection Molding Supplier Chain in China
Over the years effort we have to provide many projects to clients and they need more requirements for more business, they want us to be one professional plastic injection molding manufacturer who can provide a one-stop service for worldwide people. So, we invest in 2nd operation processing shop, but our capacity for this is limited so we have to choose a good 2nd operation processing plant in Shenzhen.
Some influential plants like to work with us and become our long-time business partners because of our credible business philosophy and capabilities. We arrange a quality control manager to control some 2nd operation processing quality, so it makes sure good quality, also reasonable price because we are long time business partner with such shops, such as EMI plating for Vacuum Plating, EVA package etc.
PTMS made lots of projects under the production chain partners’ support, all the partners are very happy to work with us because we also give them good value. We are also willing to share successful experiences with other companies and improve ourselves, we will be your good partner.
Top Plastic Injection Molding Manufacturer in China
In the dynamic world of industrial manufacturing, injection molding has emerged as a cornerstone process, enabling the production of top – quality plastic injection parts with precision and efficiency. When it comes to finding reliable injection molding manufacturers, the choices can be overwhelming. However, PTMS, a leading plastic injection molding manufacturer in China, stands out from the crowd.
PTMS has established itself as a trusted name among injection moulding manufacturers. With years of experience in the industry, the company has mastered the art of plastic injection molding, offering a wide range of services to meet diverse client needs. Whether you are in the automotive, electronics, medical, or consumer goods industry, PTMS has the expertise and capabilities to deliver top – notch injection molded products.
One of the key strengths of PTMS is its state – of – the – art manufacturing facilities. Equipped with the latest injection machines and advanced technologies, the company can handle projects of all sizes, from small – scale prototypes to large – volume production runs. The team at PTMS consists of highly skilled engineers and technicians who are dedicated to ensuring that every product meets the highest quality standards.
In addition to its technical prowess, PTMS also places a strong emphasis on customer service. The company works closely with clients from the initial design phase to the final mass production, providing valuable insights and suggestions to optimize the injection molding process. This collaborative approach ensures that the end – products not only meet but exceed the client’s expectations.
PTMS also offers a comprehensive range of injection molding services, including mold design and mold tooling, plastic injection molding, and post – processing. The in – house mold design and manufacturing capabilities allow for greater control over the production process, resulting in faster turnaround times and cost – effective solutions. If you are looking for reliable and experienced injection molding manufacturers, look no further than PTMS. With its commitment to quality, innovation, and customer satisfaction, PTMS is the ideal partner for all your plastic injection molding needs.
Your Trusted Partner for Professional Injection Molding Services
PTMS is a leading plastic injection molding manufacturer based in Shenzhen, China, specializing in custom plastic injection parts mass production since 2002. As an ISO9001:2008‑certified company, we provide a complete one‑stop plastic injection molding service – from mold design and tooling to injection molding, secondary processing, and full product assembly.
With more than two decades of experience, PTMS has grown into one of the most competitive injection molding manufacturers in China, serving global clients across automotive, electronics, medical, defense, home appliances, and consumer goods industries.
Our mission is simple:
Deliver top‑quality injection molding services, create value for customers, and build long‑term partnerships based on trust, precision, and performance.
Why PTMS Stands Out in the Injection Molding Industry?
1. Full One‑Stop Injection Molding Services
PTMS operates six specialized production shops, including:
- Mold design & mold making
- Two injection molding mass‑production shops
- Die‑casting shop
- Secondary processing (painting, printing, plating)
- Full product assembly shop
This integrated structure ensures:
- Faster lead times
- Lower production costs
- Top quality control
- Seamless project management
2. Advanced Manufacturing Capabilities
Our equipment includes:
- 10 Japanese injection machines (50–200 tons)
- 25 Chinese injection machines (50–850 tons)
- 8 die‑casting machines (100–300 tons)
- Automated injection systems to reduce labor cost and improve consistency
With 200+ skilled employees, PTMS can handle projects of any size – from prototypes to millions of mass‑produced parts.
3. Trusted by Global Brands
PTMS proudly serves well‑known companies, including:
Electronics & Printers
Toshiba, Canon, Lenovo, Brothers, ATA
Defense & Security
TDI‑Arms, CAA‑Arms, InsightTech
Automotive
Benz, BMW, Audi, VW, Volvo, Pegform
Medical & Home Appliances
Mindray, Hach, Electrolux, Whirlpool, Haier
Our long‑term partnerships reflect our commitment to top quality, reliability, and customer satisfaction.
Plastic Injection Molding Industry Backed Expertise
To ensure our injection molding services align with global standards, we continuously study market trends and technological advancements. Authoritative industry data shows:
- The global injection molded plastics market reached USD 335.4 billion in 2024, projected to hit USD 439.4 billion by 2030.
- Global injection molding demand is expected to grow from 157.13 million tons in 2025 to 193.76 million tons by 2030.
- The injection molding market is projected to reach USD 462.4 billion by 2033, driven by automotive, packaging, and electronics sectors.
- Packaging accounts for over 30% of global injection molding revenue, with automotive growing at 5.8% CAGR.
- The global plastic injection molding market is forecast to grow from $192.7B in 2024 to $235.7B by 2029.
These insights reinforce the importance of choosing a reliable, experienced manufacturer like PTMS.
Comparison Table: PTMS vs. Typical Injection Molding Manufacturers
| Criteria | PTMS | Typical Manufacturer |
| ISO Certification | ISO9001:2008 | Often limited or none |
| Production Shops | 6 specialized shops | 1–2 shops |
| Machine Capacity | 50–850 tons | 80–300 tons |
| One‑Stop Service | Yes (design → assembly) | Partial |
| Automation | Advanced automated systems | Limited |
| Global Clients | Fortune 500 & industry leaders | Mostly local |
| Quality Control | Dedicated QC managers | Basic QC |
| Secondary Processing | In‑house + partner network | Outsourced only |
PTMS offers a more complete, efficient, and quality‑driven solution than most competitors.
Case Study: Automotive Interior Component Project
Client: German automotive supplier
Industry: Automotive interior systems
Challenge:
- Tight tolerances
- High‑gloss surface finish
- Long mold lifespan (1M+ cycles)
- Fast turnaround required
PTMS Solution:
- Conducted mold flow analysis
- Used high‑hardness steel for durability
- Applied mirror‑polish EDM finishing
- Implemented automated injection molding for consistency
Results:
- 0% defect rate during mass production
- 22% reduction in cycle time
- Mold lifespan exceeded expectations
- Client expanded partnership to 4 additional projects
Client Testimonial
“PTMS has been our most reliable injection molding partner for over 8 years. Their engineering support, fast communication, and consistent quality have helped us launch multiple successful products. We trust PTMS with our most complex components.”
– Senior Procurement Manager, Global Electronics Brand
Questions Plastic Injection Molding Customers Always Ask
1. What is included in your plastic injection molding service?
We provide mold design, tooling, injection molding, secondary processing, assembly, and packaging – all under one roof.
2. Can PTMS handle large‑volume production?
Yes. With 35+ injection machines and automated systems, we support millions of parts per year.
3. What industries do you serve?
Automotive, electronics, medical, defense, home appliances, industrial equipment, and consumer goods.
4. How do you ensure quality?
- ISO9001:2008 certification
- Dedicated QC managers
- Material verification
- Dimensional inspection
- Mold trial reports
5. Do you offer design support?
Yes. Our engineers provide DFM, mold flow analysis, and optimization suggestions.
6. What materials can you mold?
ABS, PP, PC, PA66, POM, TPU, TPE, HDPE, and more.
7. Can you provide secondary processing?
Yes – painting, printing, plating, assembly, and packaging.
Why PTMS is the Right Choice for Your Injection Molding Manufacture?
PTMS combines:
- 20+ years of experience
- Advanced equipment
- Skilled engineers
- Strong QC systems
- Competitive pricing
- Global customer trust
Whether you need a single prototype or millions of mass‑produced injection parts, PTMS delivers precision, reliability, and value. Learn more about PTMS.