Nelson Energy Technologies Limited was set up by sales and technical engineers working in the oil service industry for years. It’s a company specializing in supplying petroleum equipment and oilfield service. Headquartered in the world’s financial center, Hong Kong, it has a subsidiary in the biggest city in the south of China and also China’s most developed city in import & export business---Guangzhou, a plant & a big warehouse in the city of Jingzhou, an purchasing office in New Jersey.