Established in a facility covering 80 square meters.
Expanded to a 3,000-square-meter facility.
Owned over 40 acres and built a factory covering more than 18,000 square meters.
Secured utility and design patents: Introduced the ultra-silent water-cooled diesel generator with a noise level of 55 dB.
Further expanded the manufacturing space to 25,000 square meters.
Successfully developed a 15 horsepower single-cylinder diesel engine, obtaining several patents for invention and utility models.
Hiearns launched the innovatively designed flip-top silent diesel generator set.
Developed and introduced products with side flip-cover design and Kubota-style exterior patent design.
The 15 horsepower single-cylinder diesel engine was awarded the "High-Tech" product certification.
The 28 horsepower twin-cylinder diesel engine also received the "High-Tech" product certification.
Hiearns designed and produced a cabinet-style silent diesel generator set, with the factory expanding to over 30,000 square meters.
Introduced a 18 horsepower single-cylinder diesel power unit with several utility and exterior design patents.
Hiearns continued to introduce a 30 horsepower single-cylinder diesel engine.
Released a luxury edition silent diesel generator set with exterior patent design.