• Dongguan Kingrui Precision Mould Co.,LTD
    Ray-hans Precision Tools Pvt Ltd
    We have coperated with Kingrui since 2005, Kingrui's foundation. we once were a Tyco company, and now a Group company. Kingrui show their best support
  • Dongguan Kingrui Precision Mould Co.,LTD
    KINGRUI a reassuring supplier. and Kingrui stands out among Chinese spare parts makers. I recommand their team to many of my friends.
  • Dongguan Kingrui Precision Mould Co.,LTD
    KYOCERA Corporation
    Kingrui is a rigor partner. they can always keep the qualiy and fast delivery. we once invited their team to visit out workshop. they learns fast.
Contact Person : Lydia
Phone Number : 13829100895
WhatsApp : +8613829100885

Electric Discharge Machining HPM31 Precision Mould Parts

Place of Origin Guangdong, China ( Mainland)
Brand Name Kingrui
Certification ISO9001: 2008
Model Number KR6008
Minimum Order Quantity 1 pcs is available
Price Negotiable
Packaging Details PE film covered first, Plastic box, then carton last.
Delivery Time Normally, simple parts, 5- 7 days, complicated parts, 7-15 days. According to QTY and the complexity of drawing.
Payment Terms T/ T, 50% as deposit before production , 50% before shipment
Supply Ability 1200- 1500 units per month
Product Details
Name Custom Precision Mould Parts For Plastic Injection Mould Processing Plane Lapping Machining And Electric Discharge Machining
Material HPM31 Or As Requirement Drawings Format PDF. DXF. DWG. And Other Formats
Shaping Mode Plastic Injection Mold Tolerance 0.005 Mm Or According To Your Request
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HPM31 Plastic Injection Parts


0.005 mm Precision Auto Parts

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Product Description


Custom Precision Mould Parts for Plastic Injection Mould


Main Features of The Product


Kingrui with development history of more than 11 years in the field , mainly provides customized processing services for non-standard precision plastic mold parts. In addition to precision auto mold parts, EDM spare parts, precision grinding parts, wire EDM parts and industrial cutting tools( food processing knife, packing knife, paper cutter, etc. ) can be provided.


A. Category of product: Precision auto parts

B. Material: HPM31, the material can be chosen according to the customer's requirements

C. Process/ Technology: The main processing techniques are Sadegh discharge and plane grinding

D. Size: Custom as your drawings

E. Shaping mold: Plastic injection mold

F. Certification: KINGRUI ISO 9001 : 2008 certification

G. Quality control: All of our engineers and sales concern and active in every engineering and manufacturing stages by ISO standard, to make sure that only quality parts leave our plant.



What Can We Do?


Main Technology

Japan Sodick super- mirror and electro- discharge processing, surface grinding processing, punch forming, and so on.



Steel, stainless steel, zinc, brass, copper, iron, aluminum and so on


Surface Treatment

PVD coating, mirror polishing, DLC coating and more

Main products

Plastic injection mold parts


Main shipping

International reliable express: DHL, or according to your requirestments



As shown above, they can be changed according to the customer's requirements. As long as you are satisfied, we are willing to pay 100%  efforts. 



Machining Capability


Surface- grinding machines


15 sets

Internal- external lapping machines


4 sets

Japan mitsubishi mirror EDM


4 sets



2 sets

Japan Sodick discharging Machines


4 sets

Centerless grinder Machines


2 sets

Wire-EDM Machines



High- speed cnc engraving and milling machines


4 sets




In order to ensure the quality of the orders, our independent quality inspection members to carry out strict inspection at each stage:
(1). Incoming material inspection
(2). Inspection of work-in-progress
(3). Finished product inspection
All of our operations are strictly compliant with ISO 9001: 2008 guidelines
We own 2.5Dprojector, various height Gages, two dimension and other testing equipments.



Packaging & Delivery


Packaging Details

--- According customer request to custom

--- Our common packaging: PE film, plastic box, plastic bag and carton.

Delivery Time

Confirm with customer, Usually, it takes 5- 15 working days 

Shipment Details

By international express, such as: DHL, TNT, EMS, FEDEX, and so on, or as request.

Electric Discharge Machining HPM31 Precision Mould Parts 0Electric Discharge Machining HPM31 Precision Mould Parts 1