How To Manufacture Your Injection Plastic Molds by China Mold Makers

Why Choose Mold Manufacturers in China?

Many companies have found that making mold manufacturing overseas is not cost-effective. The expensive shipping costs, as well as the delivery delays through customs, make it worthwhile to do the actual tooling in local. You may probably heard bad stories about the Chinese injection molds being of low quality. But the outsourcing market of plastic mold China has grown steadily, there are many companies all over the world that continues to buy China plastic injection mold or China injection mold service; some of them placing big volume orders and some even opening their own sourcing office in China.

Nowadays China mold supplier has become a reliable business partner in mold plastic injection mold industry. People prefer advanced mold injection technology and durable injected parts.

If you find mold maker in China, there are some advantages you will have.


Cost. China mold makers can manufacture high-quality molds and injection mold service as well as American and European companies but at competitively lower prices, typically, 30-60% lower than US mold makers.

Quality. China mold makers are arguably the best in the injection molding industry. As a powerhouse in the world of plastic injection mold, mold manufacturers in China can provide extensive knowledge and expertise for your company when it comes to plastic injection molding.

Flexibility. China mold makers are able to produce an extensive scope of injection molds. And mold manufacturers in China also make a complete China injection mold service. China plastic injection mold includes the low volume prototype molds to high-quality mass production injection molds.

Speed. The lead time for China injection molds is faster. Normally 3-8 weeks depends on the tool size and complex. Mold manufacturers in China can ensure that mold is processed 24 hours a day, 7 days per week through reasonable worker arrangement.

Mature supply chain system. In the main manufacturing area, plastic injection mold manufacturers in China has a set of mature supply chain system for plastic mold manufacturing from the raw material purchase to manufacturing to logistics.

Services. You can ask for China mold makers to provide China injection mold service whenever you need them. And responsible Chinese mold manufacturers will try their best to reach your requirements.


Many injection molding companies using both local and international mold makers in order to meet their budget and delivery needs for their customers. China mold suppliers are responsible and responsible for every customer. China mold makers can help you to divert your money into growing the business whilst maintaining high-quality China plastic injection mold and process standards. Using several reliable mold manufacturing suppliers ensures that the mold is delivered on time by avoiding the bottleneck of pushing everything through a single shop.


How to select a Chinese injection mold supplier?

Finding a reliable supplier can be a rather daunting process. There are so many China mold makers and they are all competing to win clients. Each of China mold supplier provides different China injection mold services. How to find mold maker in China and how to select a reliable, efficient injection mold supplier in China? Will they perform as they promised? What about the delivery time, quality and intellectual property rights? You can check it from below items:

1, When you get the quotation sheet from injection mold manufacturers in China, you have to check the cavity and core insert steel with hardness, mold size, mold weight, mold life, cavity numbers, gate types, surface finish, lead time for T1, mold price, delivery terms and payment terms.

2, If you are interested in ordering China plastic injection mold, you can ask China mold makers to send you the DFM report before the purchase order. Finding reliable Chinese mold manufacturers is very important for your business. You can see below information from the DFM report:

  • General Information about Part data such as Part dimension, part weight, plastic material
  • General Information about mold data including mold steel, mold shrinkage, feed system, gate type
  • Mould Layout and Mould Size
  • Gate Locations
  • Draft Angle Analysis
  • Wall Thickness Analysis, Thick Section, Thin Section, Ribs/Bosses to Wall Thickness Ratio
  • Parting lines
  • Lifters or slides
  • Warp Analysis
  • Weld Lines
  • Sink Areas
  • Surface Finish
  • Ejector Pin Locations
  • Tolerances
  • Shut-Off Conditions
  • Thin Tool Conditions

Then you can see whether China plastic injection mold fits your requirement and how to optimize the part design.

3, Check the mold maker’s Quality Systems

4, Ask them for customer reference.

5, After the confirmation on the DFM and PO, then China injection mold makers can start the mold design. You can ask China mold makers to send you the Moldflow analysis based on the mold design to vertify the filling, warpages and so on.

6, After the mold design confirmation, you can ask China injection mold supplier to send you the tooling plan every week. You also can ask Plastic injection mold manufacturers in China to send you the steel certification and hardness report to check the steel quality and hardness.

7, After the mold test, you can ask China mold makers to send you the mold test video,  injection molding trial report and samples inspection report.

8, Before China plastic injection mold delivery, ask them to send you the pictures for the electrodes, spare parts, 2D drawings and all the other related technical documents.


Where can I find mold manufacturers in China?

It is easy to find an injection mold manufacturers in China,

You can use google search below keywords: China plastic injection mold, China mold makers, plastic mold China, injection mold manufacturers in China, China injection mold service, Chinese mold manufacturers, etc.

You can find China mold makers on social websites such as Linkedin, Facebook and Twitter.

You can find injection mold suppliers China or China injection mold service on Alibaba, Made-IN-China, Globalsources or other B2B websites.

You can find injection mold service China at the Trade Show such as Canton Fair or Aisamold, etc.

Or if you ever have a chance to visit a specialized industrial part in Dongguan city, you can find no less than 20 of them in there. China alone is huge and should be considered as many different regions rather than a single large one. Some areas provide the most of China plastic injection mold. Now China mold suppliers have a complete system. When you want to buy China plastic injection mold, please buy it from major manufacturing areas, where provides the most China plastic injection mold with high-quality, such as Dongguan Guangdong, Ningbo Zhejiang, Huangyan Zhejiang and Suzhou Jiangsu.



China mold factory: Injection Mold Manufacturing market analysis in China.

In the past years, China has evolved to the largest consumer of plastics while simultaneously plastic injection mold manufacturers in China has become the biggest mold suppliers with high-quality China injection mold service. Due to a large number of China Plastic products manufacturers produce China plastic injection molds, the Chinese market has a large potential for acquiring these molds. China mold factory has become more and more complex, and China mold suppliers also develop themselves. At present, the industry of China plastic injection mold and China injection mold service have apparent characteristics, plastic mold manufacturers in Zhejiang, Jiangsu, and Guangdong are at the forefront of the country. Their output value accounts for 70% of the national total mold output value, which has a robust regional advantage.


Guangdong – the leader in China


Guangdong is the most important mold market and the largest mold export and import province in China today. More than 40% of China plastic molds output value comes from Guangdong, especially Shenzhen mold maker is the numerical control rate of mold processing equipment and the performance of the equipment, mold processing technology, production professionalism, and standardization lead other domestic provinces and cities. Currently, Guangdong has 5 of the top 10 companies in the country, and the world’s largest mold base supplier and Asia’s largest mold manufacturer are located in Guangdong. With the further optimization of Guangdong’s industrial structure, the development of petrochemical, automotive, high-tech, and many other industries have put higher demands on Guangdong’s mold manufacturing. In the next few years, Guangdong’s mold manufacturing will become increasingly sophisticated and complex. It will provide better China injection mold service.


Shanghai—Information industry and automotive industry mold dominated


Shanghai mold industry will face six major industries and key industries, especially the information (IT) industry and the automotive industry, and vigorously develop precision magnesium alloy die casting molds and precision injection molds in the IT industry; automotive industry cover molds, large parts die-casting molds, Multi-station progressive die for precision stamping parts.


Zhejiang – the most proportion of plastic mold


Zhejiang mold industry is mainly concentrated in Ningbo and Taizhou. Ningbo’s Ninghai, Yuyao, Cixi and Yinzhou mainly produce plastic molds, Beilun mainly produces die-casting molds, and Xiangshan and Zhoushan mainly manufacture casting and stamping molds. The main mold production enterprises in Taizhou are concentrated in Huangyan and Luqiao, with plastic molds accounting for the majority.


Jiangsu——Foreign investment and private operation


There are many wholly-owned and joint ventures in Japan, South Korea, Singapore, Germany, the Netherlands, the United States, Taiwan, Hong Kong, and many private mold companies; Suzhou Lampe Casting, Yuanqing Mold and other companies mainly produce auto engines and wheel hub die casting molds and casting molds, Kunshan Zhongda mold base, Kunshan precision mold standard parts, Kunshan Huaxing mold guide parts and other enterprises specialize in the production of various large mold bases, mold guide parts, mold springs and other standard parts.

Nowadays Chinese mold manufacturers have a complete manufacturing system from production to delivery. Most Chinese mold manufacturers offer their customers online, they will finish the order responsibly.


Why Choose Stebro Mold?

  1.  We are a foreign enterprise factory instead of a trading company, with no brokers, no middleman, Western quality, Affordable prices.
  2. All of our injection molds or plastic parts are for export. Our main market is in Europe and North America. We have rich experience in engineering and have good communication skills in English.
  3. We are located in Dongguan, it has a set of mature supply chain systems for mold manufacturing from the raw material purchase to manufacturing to logistics, deliveries can be made quickly via the port or airport of Shenzhen or Guangzhou.
  4. From part design to final product delivery, all are under one roof.
  5. Equipped with advanced manufacturing equipment such as Mikron high-speed CNC machines, Charmiles EDM machines, Sodick slow wire cut machines, Kent grinding machines, Engel Injection molding machines and CMM machines.
  6. Available 24 hours
  7. IP Protection


If you want to find mold maker in China, Stebro is a good choice for you. We offer solutions for plastic injection mold upon requirements and budget plan with timely service.

  • DFM
  • 2D & 3D Mold Design
  • Mold Flow Analysis
  • Mold manufacturing for production molds with side-action cores, Single Cavity Molds, Multi-Cavity Molds, Unscrewing Molds, Insert Molds, Over Molds, Family Molds, Gas-Assist Mold, Two-Shot Molds and Hot Runner Molds, mold life from 200K up to 1 million shot.
  • Prototype Molds or MUD insert mold to lower the cost and meet rapid market mold guarantee time.
  • Mold Changes, Maintenance & Repair
  • Tooling transfer


Are you ready to start your mold project with China mold makers Now? Call us or send us an e-mail, we will send you the price within 24 hours.


One thought on “How To Manufacture Your Injection Plastic Molds by China Mold Makers

  1. HLH Prototypes Co LTD says:

    This is the blog I would suggest to one who has no information on plastic injection mold but wants to know from the beginning. From how to where, this blog has all the information. I really enjoyed reading this.

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