Precision EDM parts for SMD LED lead frame mould cavity

Production Flow

Heating treatment, Surface grinding , PG profile grinding, Wire cutting EDM, High speed CNC milling , Mirror EMD , Milling are the main product process.

Why choose us

1. Imported high-class material from america, Japan, Sweden, etc. prolong your mould lifespan..

2. Our talent: 60 professional and skilled technicians and 10 master of optical profile grinding ,CNC milling, mirror EDM, wire EDM.

3. our process skills are be industry leadership in mould machining field such as EDM and PG optical profile grinding.

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

5. Chenghui Precision Mould have experienced engineer and offer advanced R&D service, your inquire would get prompt responses within 24 hours.

6. High Speed CNC (Switzerland Mikron 500LP ) milling machines  mainly make the electrodes and precise cubic curve product, which precision reach to 0.002mm. And our program master design the electrode and the CNC workshop produces it in house, which greatly ensures EDM precision, quality and fast delivery

7. Sodick EDM machines make us possible to ensure EDM accuracy within 0.005mm.For special  parts surface roughness , Chenghui Precision Mould could handle the Sodick EDM machines, which reach to from Ra 0.15 to mirror surface.

8. 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.

9. ISO 9001:2008 system certificated and operated.

10. Quick response whatever require or aftersale and timly delivery 

Quality sytem guarantee your product high precision and high quality

At Chenghui Precision Mould, quality is maintained throughout the entire manufacturing process. Using dimensional and optical inspection methodologies, Chenghui Precision Mould ensures that the tolerance and dimensional integrity of each part remains uncompromised.

Chenghui Precision Mould operate ISO 9001:2008 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.

Document and data ensure product quality continuously stability.

Applying quality tools CPK assure key point and key size.

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.