Upper cover of transparent

earphone charging box

No.24195-B

Brand: Chitwing

Origin: China

The mold was developed (designed and manufactured) by Chitwing, and is designed with hot

runner free of cold slug to save costs and reduce production loss and short cycle time.

Hot runner turns to cold runner sub gate. Surface finish: 1. A surface polished to SPI-A1;

2. Secondary surface polished to 1000# sandpaper; 3. Other surfaces EDM with

VDI21# (Makino). Harden the cavity and core to have high hardness and good anti-wearing

performance; and the cavity and core > 50HRC.

Display diagram

  What we do：

Chitwing is focusing on providing custom-made products to world-wide customers, including

product structure design based on customer’s ID, mold design & fabrication, mold trial &

prototyping, MP production and shipment.

At the same time, we can offer 50~100 sets of custom-made mold and standard component to

customers including high precision stamping tool, die-casting tool (Zinc & Alu. Alloy) and high

precision injection mold.

  Equipment we use：

Program for mold design：UG
Mold fabrication：CNC(Makino, Fanuc), EDM(Makino, Charmilles 、Agie)，Wire cut(Makino, 

                              Sodick, Agie) etc.
Injection machine：10T～550T
Press machine：40T～300T
Die-casting machine：80T～340T

  Systems we have：

Quality system： ISO9001， ISO13485 (medical device)， IATF16949 (automotive device)
Environmental system：ISO14001
Hazardous substance system： QC080000
Occupational health and safety management system： OHSAS18001

  Products we offer：

3C electronics，Automotive electronics， home appliances , Medical device，Battery, etc.

  Company Overview：