1992: the establishment of the "sky blue environmental protection electrical equipment factory", began for industrial enterprises, hotels and restaurants to provide electrostatic smoke removal, dust removal services.

1992: the company produced the first industrial smoke and dust removal equipment began to be used in the building materials industry.

1993: The first generation of "honeycomb structure electric field" was successfully researched and developed and successfully applied; the first generation of "fume hood" fume purification equipment was officially launched, and began to be applied in the Pearl River Delta region hotels and catering industry.

1996: The first diesel black smoke purifier was successfully developed.

1997: In cooperation with the Hong Kong Productivity Council, the company began to provide electrostatic smoke and dust removal services and products for Hong Kong industrial enterprises, hotels and catering enterprises.

1998: In cooperation with Hong Kong Gas, the company researched and developed ducted restaurant fume purification equipment, and with the help of the Hong Kong platform, the company began to provide fume purification services and products for hotels and catering enterprises in Macao, Taiwan, and Southeast Asian countries and regions.

1999: With years of technological innovation and experience accumulation, the company began to enter the industrial fume (mist) purification and recycling market, began to provide fume (mist) purification and recycling services and products for textile printing and dyeing, leather, gloves, wallpaper, metal processing, food processing and other industries.

2001: the state introduced the "Catering fume emission standards (GB18483-2001)", and January 1, 2002 onwards, the company's technical advantages, all the products through the Chinese national environmental protection certification, and quickly occupied the domestic high-end catering fume purification equipment market.

2002: With the company's expanding scale, "Tianlan Environmental Protection Electrical Equipment Factory" was registered as "Foshan Kelan Environmental Protection Equipment Co.

2003: "intelligent control" of the soot purification equipment was successfully developed, so that the "blue" equipment with operating conditions to determine the function and automatic diagnosis of fault prompting function, marking the "Blue "Electrostatic soot removal technology into the fifth generation.

2003: "temple treasure furnace" (referred to as "treasure furnace") was successfully developed and patented.

2003: "Kelan indoor air purifier" research and development success, experience proved that its sterilization and virus removal efficiency of more than 95%, officially put into production, large quantities into the Hong Kong market, in the "SARS" period to play an active role.

2004: the company's restaurant fume purification equipment series products all through the CE safety certification, and began to sell in Europe and the United States.

2005: The company's electrostatic restaurant fume purification equipment passed the national environmental protection certification again.

2006: The company's electrostatic industrial smoke purification equipment passed the national environmental protection certification.

2006: the company passed ISO9001: 2000 international quality management system certification; the full implementation of "5S" management.

2007: the company was named "high-tech enterprises in Guangdong Province".

2007: The company was awarded "Guangdong Private Technology Enterprise".

2007: the company was awarded the Guangdong Provincial Environmental Protection Industry Technology Innovation Award

2007: "Foshan City, Chancheng District, environmental protection technology and equipment engineering technology research and development center" was established, by the competent authorities of the higher authorities decided to study in the "science and Blue "listed office, specializing in research and development and promotion of related technologies.

2008: the company's "industrial electrostatic smoke purification - recycling equipment" project by the Ministry of Science and Technology of the State "Science and Technology Small and Medium-sized Enterprises Technological Innovation Fund" project.

2008: the company and Hunan University and Foshan University to carry out research cooperation.

2009: The company took the lead in drafting the local standard of Guangdong Province for restaurant fume purification equipment.

2009: the company became the Guangdong Province environmental protection industry, production, learning and research cooperation internship base **** building units.

2010: the company passed ISO9001: 2008 international quality management system certification.