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Sample submission address:
Floor 1-A, Baisha Technology Park, No.3011, Shahexi Road,Nanshan District, Shenzhen, China 518055 

Shenzhen Office ADDFloor 1-A, Baisha Technology Park, No.3011, Shahexi Road,Nanshan District, Shenzhen, China 518055 

E-Mailctl@ctl-lab.com

Tel86-755-89486194

Fax86-755-89486194-805


Dongguan Office Address: Room 107, No.2 , Block 1 , Area 1 , Headquarters Road No.2,Songshanhu Hi-tech development Zone,Dongguan,P.R.China 523808
Email: dgctl@dgctl-lab.com   


Tel: 0769-22893710-809