Headquartered in Shenzhen, the HHLENER maintains offices in Beijing, Tianjing, Shanghai, Zhanjiang, Chengdu, Wuhan, Hong Kong, and several other cities in China. Moreover, the HHLENER also has established overseas subsidiaries in Singapore, Canada, Italy, USA. 

With much trade, equipments manufacturing, system integration, products machining, technology service and project management experience, the HHLENER has grown to an excellent company. 

The HHLENER principal activities focus on facilitating basic energy resources closely linked to socio-economic progress such as coal, oil and natural gas, offshore & marine engineering and the manufacture of clean energy products are other activities that are also closely related with improving people livelihoods together with HHLENER’s research in the telecommunication spheres. The HHLENER is also dedicated to providing professional services and quality products to customers from our diversified business sectors.

As a responsible corporate citizen, the HHLENER places high importance on environmental protection and employee safety. Quality, Health, Safety and Environment (QHSE) guidelines are strictly applied in every aspect of the company's corporate strategy and project management initiatives. The HHLENER's stringent QHSE systems help protect employees, clients, business partners as well as the public, and are constantly being refined, improved and updated to reflect our ever-changing environment.