Kingrui is one of the suitable partners in precision mold spare part

Founded in 2005, Kingrui is a middle-size toolshop in precision mold parts and industrial cutting tools, mainly serving for precision plastic connector molds across the aviation, medical, automotive, electronics, electrical industries. As an ISO9001: 2008 certified factory, Kingrui is committed to quality and each detail throughout the manufacturing process.

Our service focus on customized non-standard precision mold spare parts fabrication. Our facilities are equipped with some of the most advanced technology in the tool and mold industry today.

Based on serious and rigorous attitude, we have servedmany customers abroad, such as the United States, Japan, and Europe.  We will be in the spirit of skilled craftsmen to provide precision, professional mold parts.



Kingrui focus on custom precision mold components for plastic connector, like Automobile, Electronics, Electrical, Medical and Aviation connector, home appliance and industry cutting tools.




Kingrui mould parts expels efficiencies that help you in saving money, time, and concern by handling every project right from start to end. All the projects are handled by our own shop team, experienced project managers and fast logistics to ensure the right end product and result.


You will get practical solutions through ourdetailed analysis of your storage requirements. Our experienced and knowledgeable salesteam and designers can provide valuableinsight, solving your material handlingproblems.


Our sales will let our customers know the newest progress of the products from raw material preparing, sample producing to shipping.


Usually, kingrui  base on your design drawings or original samples, we give some technical proposals and a quotation to you, after your agreement, we will produce for you.


To make sure our customer has received the products safely is not an end of kingrui’s service or business.


How Does Your Factory Do Regarding Quality Control?

We test product quality from the very beginning to the very end. All the molds, the QC measure with automatic coordinate measuring machine equipment’s regular

Could The Knife Finishing Reduce Paper Dust?

Yes, finishing the cutting edge of either straight or circular knives considerably reduces dust. Call us at +86 769 82663318 and KINGRUI specialists will discuss your machine state and apply a particular to your requirements knife finishing.

How Long Does It Take To Manufacture A Machine Knife To Custom Specification?

Depending on the material and finishing being used usual manufacturing time on custom drawing are 4 up to 8 weeks. If you would like us to stock these special knives for you please contact us to discuss your requirements.

What Materials Are Used In Tungsten Carbide Binding Process?

The type of binder plays an important role in the durability of the carbide. Cobalt was the first material used as a binder because it is strong and dissolves tungsten carbide grains while forming a liquid phase with them. As the material cools the tungsten carbide precipitates back out forming a very tough and wear resistant material.

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