Year 2001
◆ The company’s business philosophy was to further tap old product market, to promote muffler and dehydration device, and to engage in the diesel engine overhaul project.
◆ In April, ZISEN completed its first comprehensive noise reduction project for the CNG gas station. 
◆ On April 5, the dehydration plant passed the technological achievement appraisal organized by Science & Technology Department of Sichuan Province. After that, the company won the bid for Luneng to purchase 3 sets of equipment, and the dehydration plant was successful to welcome its rise.
◆ May 18, the first diesel engine overhaul was commissioned successfully; another new project was launched successfully.
◆ At the end of May, the natural gas compressor muffler passed the appraisal organized by Neijiang Science and Technology Bureau; the product was approved by all experts at various levels from the science and technology departments and PetroChina Xiyou Branch Company. Since then, the muffler became one of its competitive products.
◆ In July, the company won the Environmental Pollution Control Certificate issued by Sichuan Environmental Protection Department. Meanwhile, the company put forward three core businesses, namely dehydration plant, noise reduction and diesel engine overhaul, and strove to achieve the strategic target of achieving the order worth RMB10 million by 2001.
◆ In September, ZISEN completed the comprehensive noise control project for the first natural gas booster station.