Dongzong road

Dongguan QLeung electronic technology co.,limited, we are founded in 2013 and registered in 2015, specializes in R&D, manufacture and Trading of Wireless Video Door Phone,Electronic Door Numb...

Tai Bai Road Shenzhen Guangdong ***, Tai Bai Road

To take care of optimum functioning in the security sector we have gained extra ordinary experience through our 9 Years of export history. Operating as an authorized Manufacturer and Exporter of Alar...

The type of GX8 changing heavy oil of energy saving reagentCharacters of product1. Higher oil-saving. The oil can only be saved 3%5% by traditional technology of heavy-oil emulsification.however,energ...