| Loại | Manufacturer |
|---|---|
| Trang web | https://www.true-tone.com/ |
| Số điện thoại | +852 23448077 |
| Địa chỉ | Flat E, 7/F, Winner Factory Building, 55 Hung To Road,Kwun Tong, Kowloon, Hong Kong |
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True Tone Industries has over 18 years of manufacturing and exporting experience specializing in snap domes.