5F,BLDG5,Shenzhen software park, Gaoxin,C.,3rd Road, No.,Nanshan district, Shenzhen, Guangdong, China

Shenzhen CASTEL Wireless Telecommunications Co., Ltd. (hereinafter referred to "CASTEL Wireless"), is a subsidiary of Casil Telecommunications Holdings Limited (Hong Kong Stock Liste...

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 ...