How to choose china plastic injection molding company?Many foreign injection mold buyers face buying problems in China. Different business cultures and languages make things complicated and sometimes risky. This article will provide you with basic guidance for understanding and identifying Chinese moldmakers. Especially those who have just started dealing with Chinese mold makers.
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Division of origin and quality of Chinese injection mold
From 1953, China built its first die shop. By 1990, China had become a major producer of molds and mold materials. By 2019, molds had become a very mature industry.
At present, China’s molds have formed two largest industrial concentration areas.
- Dongguan and Shenzhen, Guangdong Province
- Ningbo andSuzhou, Zhejiang Province
In general, quality of Guangdong molds is superior to that of Zhejiang. Price of molds in Zhejiang is cheaper than that of Guangdong.
Mold price
When you are a foreign buyer and get a quote from China injection molding company. You not only need to care about mold price, but also additional information.
What is mold size design?
Since sufficient mold base dimensions provide strength and stability required for injection molding. Attempting to reduce price of injection mold by reducing size of mold, thereby jeopardizing mold quality.
What is mold steel?
There are various mold steels for mold steel, their performance varies greatly, price difference is also large. Price of P20 pre-hardened steel is only 20RMB/kg, while LKM hardened steel 1.2343 is 80RMB/kg.
Many China plastic injection molding companies use low-quality steel to reduce mold costs.
How many times does injection molding guarantee?
Make sure you are committed to ensuring that your injection molds meet your production needs.
What is accessory standard?
Designed molds and accessories should be suitable for mold injection molding standards to facilitate mold maintenance. For example, European standard is HASCO and North America is DME.
What is payment term?
In general, payment period accepted by China Mould Factory is 40% for PO, 30% for T1 samples. And 30% for mold transportation. Moreover as a customized product, mold payment period is no more lovely than other products. And long-term relationship will make payment period flexible through negotiation.
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Injection mold design requirements
How long?
Depending on complexity of part/mold structure, a 2D layout typically takes 2-3 days. And a 3D detailed design takes 3-5 days.
Mold design included in the quotation?
After all, design data shall be provided and authorized by buyer. And no additional fees will be charged for design or design modifications.
Management
How to manage mold manufacturing?
Since buyer is away from location of Chinese mold factory, it should submit a rigorous and well-designed timeline. A weekly tracking report will be provided graphically by injection mold manufacturer.
What should I do with communication?
After all, a project manager report will be assigned and communicated to mold buyer. In most cases, Chinese moldmakers with experience in mold exporting operations typically hire project managers. It is with mold manufacturing experience and English proficiency.
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Mold manufacturing needs
How long?
Depending on complexity of mold size, small size/easy structure mold takes about 20-30 days. As a result, complex and large size molds take 35-50 days.
How to ensure use of genuine steel?
You can purchase steel from LKM, the largest mold/die steel supplier in Asia. Offering steel and heat treatment certificates.
Mold testing and sample submission
Who is responsible for providing mold testing plastic resin?
So injection mold suppliers should prepare materials that are easy to produce locally. Buyer should provide some special resins that cannot be purchased in China should.
What does it offer with sample?
In order to better evaluate condition of mold, you should provide samples, gates/runners. In addition, injection molding parameter reports, and molded part size reports.
Who is responsible for cost of sample delivery?
Sample delivery is usually responsibility of injection mold manufacturer. And this cost will drive plastic mold manufacturers to make injection mold project. As a result, a success as soon as possible.
Delivery
Who is responsible for mold delivery?
Therefore according to negotiation in quotation, many delivery conditions. FOB, CIF, DDU can be used.
How long does it take to deliver?
As a result, depending on delivery method, it can be shipped by air or by sea. And it takes 1 week by air and 20-25 days of shipping.
This article only provides a basic guide, and there are many other aspects to be aware of before purchasing molds from Chinese suppliers.
