Shenzhen Sema Electronics Technology Co.,Ltd.
Shenzhen SEMA Electronic Technology Co., LTD. was founded in 2011,
mainly engaged in the research and development of communication and
mobile phone accessories like Phone Case, Qi Wireless Charger, Mini
Cooling Fan, etc. Own brand is SEMA, OEM or ODM is also
The quality and professional image of SEMA products are recognized
and praised by the international market like USA and EU. The
products sell well all over the world, SEMA brand and OEM & ODM
operation strategy obtained quite excellent result. SEMA become the
industry leading factory.