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| Hijoy Technology Company Limited |
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| HIJOY TECHNOLOGY COMPANY LIMITED is an internationally focused technology company, which is committed to marine electric fields. In addition, HIJOY Technology also develops, produces, sales and repairs marine auto control systems... |
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| ·UT sealing test |
·ACB test |
| ·Air condition repair |
·Elevator service |
| ·Deck crane inspection |
·Generator repair |
| ·Telegraph repair |
·Boiler /Incinerator repair |
| ·Main Engine speed measuring system |
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