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Dongguan Chenghui Precision Mould Company  

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Precision carbide inserts Profile Grinding process Parts for Stamping mold 

Place of Origin: Zhejiang, China (Mainland) 
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Custom precision carbide inserts PG Optical Profile Grinding process Parts for Stamping Die


Custom precision carbide inserts PG Optical Profile Grinding process Parts for Stamping Die


aterial using

imported Tungsten Carbide SKD11,SKH9,Elmax,Viking, or others


According customer drawing


80-90 HRC


According customer require

grinding Precision


Angle Clearness



1 set

Origin of Material

America ,Japan, Sweden

Process machine

Pg optical profile grinder, EDM, wire cut, miller

Delivery date

7-10 days

Delivery type



Production process Flow


Heating treatment, Surface grinding,Wire cut EDM, PG profile grinding. 



Production Normal Information


Product Precision

diamension tolerance ±0.001mm ,axiality within 0.002mm,roundness within 0.0015mm,surfacae roughness within Ra 0.025,straightness within 0.002

Technique standard

According to international standards GM,JIS,DIN,AISI,ect. and other national standard

Mould service

LED lead frame mould, LED lead frame mould parts, Progressive stamping die, Progressive stamping die parts, Precision plastic mould parts, Connector mould parts, Precision Electronic Mould Parts, Precision medical mould Parts, Punch die Parts , High speed CNC milling ,EDM,WEDM etc.




Chenui Precision Mould talent and equiptent  for optical profile grinding


Chenghui Precision Mould have more than 60 professional and skilled technicians ;10 master of optical profile grinding ,CNC milling, mirror EDM, wire EDM who were more than five years experiences working in foreign-owned enterprise. These talents ensure our product satisfy customer requirement quickly and our process skills are be industry leadership in mould machining field such as EDM and PG optical profile grinding.


Japan Waida optical projector profile grinder ensure processing minimum precision 0.001mm.


Sodick wire-cutting EDM and one Sodick oil cutting EDM machines, they ensure general tolerance within 0.005mm, flatness,verticality,and linearity within 0.002mm.The smallest wire of machine is 0.03mm.



Quality Control


Chenghui Precision Mould operate ISO 9001:2000 system; such as product abnormal handling process program and and customer complaint handling program, committing to continuous process improvement eliminating variability and inconsistency within the manufacturing process.


Each prcoess are checked by QC or woker. 


CPK control key point and key size.



Chenghui Precision Mould dedicate to mould field 9 years 


Chenghui Precision Mould specialize in precision led lead frame mould , precision progressive stamp die,  precision progressive stamp dieparts and precision plastic mould part. 


Advanced R&D service and experienced engineer ,your inquire would  get prompt responses within 24 hours.



Cooperate with us


If you want to high precision  mould parts, please contact with us.


If you want to find  long-term good parter, pls choose us .


If you cooperate with us.  Please send your inquiry and we will be good supplier in your  chain system.


 Mr. Sam

Tel: 86-769-82289379
Contact to this supplier

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Company Info

Dongguan Chenghui Precision Mould Company [China (Mainland)]

Business Type:Manufacturer
City: Dongguan
Province/State: Guangdong
Country/Region: China (Mainland)

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