- Shenzhen Grentech Science and Technology co.，LTD (GrenTech)
- 5th Floor, Building 1, Guoren Science and Technology Park, at the intersection of Jinxiu Middle Road and Cuijing Road, Longtian Street, Pingshan District, Shenzhen
- 518057
- 86-755-26630888
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- grentechgroup (grentechgroup)
- 755-26630888
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