Electricity is a secondary energy source. Due to the shortage of primary energy, Bengal power supply has been in short supply for a long time. Built in the 1950s, Bengal Gu La Sau power station was the largest in Bengal with a total installed capacity of 950 megawatts by the early 1990s. Gu La Sau power station is a key project of “ the Belt and Road” in China. Dahua is responsible for upgrading the security system of the power station to ensure the safety and stability of the power station.

Dahua Technology and its megapixel solution successfully secured Hainan Yangpu Harbor through an HD surveillance solution, including HD IP cameras, encoders, IP storage and VMS platform.

• Statoil ASA is one of the world's largest oil companies in Northern Europe and in Norway with more than 25,000 employees. As one of the world's largest net oil

• Sinopec oil sales market covers the whole of China with 30,121 gas stations. In 2015, the company's domestic refined oil sales reached 151 million tons, with an increase of 7.6%.