☆1996 put into mass production in April.

☆1996 In June, the company installed the first project in Hengxian County, Guangxi-Peony Building in Hengxian County, Guangxi.

☆ 1998 Water-loop heat pump central air conditioner passed the appraisal of high-tech achievements of Shanghai Municipal Committee.

Since ☆ 1998, Zhongyu has cooperated with Tongji University and Institute of Acoustics, Chinese Academy of Sciences, focusing on solving the noise problem of units.

Starting from 1999, we will further cooperate with Shanghai Jiaotong University and Xi Jiaotong University to improve the energy efficiency ratio of water-loop heat pump units and systems.

☆ In 2000, we cooperated with the Chemistry Department of South China University of Technology to solve the scaling problem of water-side heat exchanger.

☆ Zhongyu was recognized as a private technology enterprise by Guangzhou in 2000.

☆ Won the Science and Technology Progress Award of the State Education Commission in 2000.

☆2006 54 38+0 CCTV special report on Zhongyu.

☆ passed ISO900 1 certification in 2002.

☆ In 2002, it passed the national compulsory product (3C) certification.

☆ In 2002, it was rated as an advanced unit of safety production in Conghua City.

☆ In 2002, it was rated as a large taxpayer of private enterprises by the national tax system of Conghua City.

☆ Since 2003, we have cooperated with South China University of Technology to develop a central computer monitoring system for water-loop heat pumps.

☆ In 2003, Zhongyu Modular Air Conditioning won the certificate of energy-saving products in China.

☆ In 2003, Zhongyu Water-loop Heat Pump Central Air Conditioning was awarded the honorary title of Zhejiang Provincial Key Project Famous and Designated Product by Zhejiang Building Materials Management Association and Zhejiang Daily.

☆ In 2003, Guangzhou won the honor of "abiding by contracts and honoring credit".

☆ In September 2003, Zhongyu became a member of China Refrigeration and Air Conditioning Industry Association.

☆ In 2003, it was rated as an advanced private enterprise in Conghua City.

Sponsored the "July 1st" Zhongyu Cup Men's Basketball Competition in 2003.

☆ In 2003, it was awarded as an advanced collective in Conghua City.

☆ Since 2004, we have cooperated with East China Survey and Engineering Company of Ministry of Metallurgy to promote the application of distributed ground source heat pump system.

☆ In 2004, it was once again rated as an advanced collective in Conghua City.

☆ In 2004, * * * won seven national utility model patents.

☆ In 2004, it was awarded the advanced unit of safety production in Conghua City again.

☆ In 2004, it won the title of advanced private enterprise in Conghua City.

☆ Member of China Federation of Industry and Commerce in 2004.

☆ Advanced taxpayer in Conghua City in 2004.

Conghua was a big taxpayer in 2004.

☆ In 2004, Su Yugui, general manager of Zhongyu Company, was elected as the director of Guangdong Refrigeration Society.

☆ Advanced enterprises in Conghua City in 2004.

☆ In 2004, the safety advanced unit in Aotou Town, Conghua City.

Conghua Integrity Enterprise in 2004.

☆ Key enterprises in Conghua City in 2004.

☆ In 2004, Conghua City awarded the plaque of "Private Enterprises Giving Love and Igniting New Hope".

2005 Guangzhou Workers' Economic and Technological Innovation Achievement Exhibition Design Award.

☆ In 2005, Zhongyu cooperated with South China University of Technology to optimize and improve the air source heat pump water heater.

Zhongyu Company was recognized as "Guangzhou High-tech Enterprise" by Guangzhou in 2005.

☆ In 2005, air-source sanitary water heaters and energy-saving air-source water heaters were recognized as key new products by Guangzhou Science and Technology Bureau.

☆ In 2005, Zhongyu high-efficiency energy-saving water source heat pump unit won the certificate of Chongqing building energy-saving technology (product).

☆ In 2005, Zhongyu central air-conditioning products successfully passed the examination of national refrigeration equipment production license.

☆ In April 2005, Tianjin Olympic Stadium won the bid.

In 2005, it was an advanced enterprise in Aotou Town, Conghua City.

☆ In 2005, Zhongyu water-loop heat pump products were exported offshore to Cambodia, Vietnam and Uzbekistan.

☆ In 2006, the National Technical Committee for Standardization of Refrigeration and Air Conditioning Equipment voted to pass the national standard of "Commercial and Industrial Heat Pump Water Heater" with Zhongyu as the first main author.

☆ Won the title of "Excellent Private Enterprise in Guangzhou" in 2006.

☆ In 2006, the energy-saving technology of air-source sanitary water heater independently developed by Keyu was funded by the Technological Innovation Fund of SMEs of the Ministry of Science and Technology.

☆ In 2006, the book Water Source, Ground Source and Water Ring Heat Pump Air Conditioning Technology and Application edited by Zhongyu was published by Machinery Industry Press.

☆ In 2006, Zhongyu water source heat pump unit passed the spot check of National Air Conditioning Equipment Quality Supervision and Inspection Center.

☆ In 2006, Zhongyu won the bid for the Foxconn Group project, which is the largest purchase order for pure heat pump water heaters in China.

☆ In 2007, Zhongyu won the title of "Contract-abiding and Credit-keeping Enterprise" for five consecutive years.

☆ In 2007, Keyu won the title of "Three Famous Brands of Heat Pump Water Heater in China".

☆ In 2008, the national standard "Commercial and Industrial Heat Pump Water Heaters with Similar Uses" drafted by Zhongyu Company was approved and released.

☆ In 2008, Zhongyu won the CRAA heat pump water heater certification and CRAA certification alliance membership certificate.

☆ In 2008, it won the bid for the Yangtze River (China) Textile City, the largest water-loop heat pump project in Asia.

☆ In 2009, he was awarded the first master of Code for Design, Installation and Use of Heat Pump Water Heater System.

☆ In 2009, the standard of "Commercial Heat Pump Hot Water Equipment" edited by the standardization team of Zhongyu Company won the Guangdong Standardization Award!