With 50 years of expertise and experience, HLN is proud to be regarded as a leader in diesel heater manufacturing. The company mainly serves top manufacturers of trucks, construction vehicles, engineering equipment, buses and vans. Many of its clients rank among top 10 globally by sales volume, or are in the Fortune 500 list. The company's products are pre-installed on vehicles sold and operating in EU, Asia-Pacific, and Americas. The company is inspired to provide products and services of the highest standard to customers in the transportation industry.