Company Profile
| Company name | RingJin Co., Ltd. |
| location | #2A Ishikawa Building1-5-4 Isago Kawasaki-ku,Kawasaki-shi, Kanagawa-ken 210-0006 |
| telephone number | 044-589-5720 |
| FAX | 044-589-5718 |
| CEO | |
| Main business content | Semiconductor design and development |
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