Plastic Injection Molding Company in Plastic Industry – PTMS
PTMS is a professional plastic injection molding company in Shenzhen, China. As an ISO9001-2008 certified company since 2002, we offer one-stop service from plastic injection mold design, mold making, and plastic injection molding mass production to products assembly for a complete custom manufacturing experience. Our products are widely used in Automotive, Home Appliances, Medical, Printer, Plastic Tooling, Defense and Electronics Industries, some of our customers are from Toshiba, TDI-Arms, BMW, etc. We want to be one of the leading plastic injection molding companies in the world and provide valuable project solutions to the worldwide customers.
What We Do ?

(Mold Tooling, Injection Molding, Silicone Molding)

(R&D)

(PCBA, Chip, Casting, Stamping, Assembling)
PTMS is a reliable injection molding company in China
Our company has followed the management model of European enterprises, 70% of the products are exported to Europe, America, Australia, Japan and Russia. Really hope we can make value to our customers and welcome to visit our factory at any times!
Why Choose Us ?
It’s a little difficult to find the right injection molding company for your projects, because there are many different plastic injection molding companies in the world, our factory is also good at all kinds of top quality mold making which standards include HASCO, DME, RABOURDIN, JIS, LKM or enterprise injection mold standard, so it makes us have the capability to provide many different top quality plastic injection molding services for the worldwide customers.

Quality First
Our company is ISO 9001-2008 standard certificated, so the management with ISO 9001 process, the final products should be top quality.

One-Stop Service
The full services including mold design, tooling, plastic injection molding, metal parts and the products assembly.
Rich Experience
We would like to share more than 20 years experience in all kinds of plastic injection molding mass production with our clients.
About PTMS
Our factory occupies more than 20 000 square meters and the transportation is very convenient because it is close to Hong Kong. Our company has nearly 200 employees and the annual sales are 8 million U.S. dollars, meanwhile, we adopt the management model of European enterprises, the main markets are Europe, America and Russia.
Over the past 20+ years, we have accumulated rich experience in producing a variety of different injection molded parts. Usually, the size of the parts ranges is from 2mmx5mmx2mm to 1000mmx1000mmx300mm, and the weight ranges is from 0.35g to 2000g. At the same time, the common accuracy is +/-0.01mm, +/-0.001mm can also be provided if there are special requirements. In addition, we can also make other special customized parts if possible.
At PTMS, quality is life. We are mainly focus on medium and high-end injection molding projects, because our team high requirements for the quality of raw materials, and we use the latest injection molding technology to control each production process to ensure product quality. Our price is based on our quality, we will not compete with other companies for price, but quality. We are one of the best plastic injection molding companies known for quality products and customer service. We always provide customers with top-quality products at reasonable prices.
As a medium custom plastic injection molding company, we can also manufacture related parts of the product, such as metal parts, silicone parts, etc. At the same time, our senior leaders attach great importance to product research and development. Our ultimate goal is to provide global customers with high-quality supply chain management and ultimately create value for them.

Services
If you need top quality products but just some ideas please try our plastic injection molding services because the professional supplier chain management team can transforming concepts into products.
Your Trusted Partner for Plastic Injection Molding Services
Customers evaluating plastic injection molding companies in China frequently ask: “What makes one injection molding company stand out for my project?” PTMS, a Shenzhen – based plastic injection molding company with ISO9001-2008 certification since 2002, answers this through proven one-stop service from mold design and tooling to injection molding mass production and assembly.
As buyers compare injection molding companies, PTMS demonstrates experience across automotive, medical, electronics, home appliances, defense, and printer industries, serving global brands like Toshiba, BMW, and TDI-Arms. When selecting from plastic injection molding companies, buyers prioritize suppliers with documented quality systems over price alone. PTMS invests in layered inspections – raw material certification, in-process gauging, and 100% final AOI – to achieve <1% defect rates, consistent with SPI mold classifications (Class 101/102 for production molds). This focus positions PTMS as a leading plastic injection molding company in China for projects demanding reliability over commodity volumes.
Prospective customers often inquire: “Can one injection molding company handle my full project from concept to assembly?” PTMS provides comprehensive one-stop custom plastic injection molding, eliminating coordination risks across multiple suppliers. Academic literature on injection mold engineering stresses cooling optimization (conformal channels) to reduce cycle times 20-30% while minimizing residual stresses. PTMS applies CAE upfront to predict warpage (<0.5%) and validate gate locations, then refines via scientific molding for CPK stability across shifts. Buyers verify this through third-party audits and sample programs, where PTMS provides full process capability data before tooling investment.
Compared to general plastic injection molding companies, PTMS specializes in medium to high-end projects (not ultra-low cost), prioritizing DFM feedback to cut iterations 50% and tooling costs 20-30%. University design guidelines recommend avoiding undercuts, ensuring >45° rib angles, and balancing fill patterns – principles PTMS enforces pre-tooling. For buyers seeking a reliable partner among injection molding companies, PTMS stands as a leading plastic injection molding company for integrated, reasonable project solutions. With 20+ years serving OEMs like BMW and Toshiba, PTMS combines engineering expertise, ISO-certified processes, and one-stop execution to deliver value beyond basic injection molding.

Parts Gallery
We have produced all kinds of top-quality custom plastic injection molding parts and metal parts with reasonable price for the worldwide people for many industries.
The Leading Plastic Injection Molding Company in China
In the dynamic world of industrial manufacturing, plastic injection molding has emerged as a cornerstone process for creating a wide range of products. When it comes to finding a reliable and innovative partner in this field, PTMS shines as the leading custom plastic injection molding company in China.
PTMS is not just another name among plastic injection molding companies. We are a powerhouse of innovation, precision, and quality. Our state – of – the – art facilities are equipped with the latest technology, allowing us to offer top – notch plastic injection molding services. As a plastic injection molding company, we understand the diverse needs of our clients. Whether you are in the automotive, medical, consumer electronics, or any other different industries, we have the expertise to provide custom project solutions tailored to your specific requirements. Our team of highly skilled engineers and technicians work closely with you from the initial design phase to the final mass production, ensuring that every detail is perfect.
What sets PTMS apart from other injection molding companies is our commitment to quality and sustainability. We adhere to strict quality control measures at every stage of the plastic injection molding process. From the selection of high – grade raw materials to the final inspection of the finished products, we leave no room for error. Moreover, we are dedicated to minimizing our environmental impact by using eco – friendly materials and energy – efficient industrial manufacturing processes. Our extensive experience in injection molding industry has allowed us to build a reputation for excellence.
We have successfully completed numerous projects for clients around the world, earning their trust and loyalty. When you choose PTMS as your plastic injection molding partner, you are choosing a company that is dedicated to your success. So, if you are looking for a reliable, innovative, and customer – centric plastic injection molding company, look no further than PTMS. Contact us today to discuss your project and experience the difference that our expertise can make.
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