Pretech International Company Limited was founded in 2010 and specialized in the development and manufacture of consumer electronics, Our own brand "Yottafun" has been registered in ...

No.39 Jiangjun Road, Jiangning Zone

Nanjing NRIET Industrial Co., Ltd., a professional base wholly-owned by Nanjing Research Institute of Electronic Technology (hereinafter referred to as "NRIET"), specializes in the d...