- Cheerful Industrial Co.,Ltd
- PCB, Fluorescent tube, Printed Circuit Board.
- Address:Unit 74, 4/F., Sino Industrial Plaza NO. 9 Kai Cheung Rd,. , Kowloon Bay
- HawkwinTech Electronics Company Limited
- PCB,FPCB,Rigid-flex PCB,PCBA,Printed Circuit Board.
- Address:Flat/Rm 1008 10/F Wing Tuck Commercial Centre, No 177 - 183 Wing Lock Street, Hong Kong