In 1982, the four brothers Liu Yongyan founded Hope Group and began a difficult entrepreneurial journey. After more than ten years of development, Hope Group has been rated as “No. 1 among China’s 500 largest private enterprises”, “No. 1 among China’s top 100 private science and technology enterprises in technology, industry and trade revenue”, and “No. "No. 1 among the top 100 largest private manufacturing enterprises in China" has become a banner for China's private enterprises. In 1995, the four Liu Yongyan brothers clarified their property rights and reorganized their assets. They established Continental Hope Group, Eastern Hope Group, West China Hope Group, and Southern Hope Group respectively, each developing in related fields. Continental Hope Group, as the high-tech segment of Hope Group, has embarked on a new journey.

l In 1995, Chengdu Hope Electronics Research Institute was established to break the monopoly of foreign brands and began the development of frequency conversion technology and related products; l In 1997, the original pseudo-superconducting technology was successful and obtained a national invention patent, and was applied to Senlan Among the series of inverter products;

l In 1997, the Hope Deep Blue HVAC Research Institute was established to design hot water lithium bromide absorption chillers; l In 1998, the first Sunlan frequency converter was went on the market, Senlan became one of the first Chinese companies to engage in the inverter industry;

l In 1998, the first deep blue lithium bromide absorption refrigerator was launched and passed the national appraisal; l In 1999, Senlan inverter became the The only award-winning brand in the inverter industry won the gold medal at the 4th China Science and Technology Expo;

l In 1999, the company designed the first large-scale combined cooling, heating and power project in China - the Deep Blue Green Energy Center;

< p>l In 1999, the first Deep Blue vacuum hot water unit rolled off the production line; China's first truly distributed energy center was recognized;

l In 1999, Deep Blue's lithium bromide absorption central air conditioner was recognized "China Patent Technology Expo Gold Medal" and China Science and Technology Expo Gold Medal;

l On September 21, 1999, Sichuan Hope West China Construction Engineering General Contracting Co., Ltd. was established; l In 2000, a nationwide marketing, Service network, pioneering "Senlan Refined Service";

l In 2000, it obtained the "National Key New Product Certificate", and Deep Blue Air Conditioner successfully entered the fields of coking, chemical industry, textile, chemical fiber and other technical air conditioners;< /p>

l In 2000, the "Dark Blue Green Energy Center" won the title of "Best Project" at the China Patent Fifteen Years Achievements Exhibition issued by the State Intellectual Property Office; l In 2001, Senlan made a breakthrough in vector control technology and launched Senlan Lan SB60 vector control series products;

l Sunlan air conditioner obtained the "High-tech Enterprise Certification"; l In 2002, Sunlan inverter, as the only domestic brand, was rated as "Electrical Times" "Top Ten Most Popular Brands in Mainland China";

l In 2002, Senlan established a million-dollar "Hope Senlan" scholarship at Zhejiang University;

l In 2002, Deep Blue Air Conditioner Launched a double-effect heat pump for the first time; successfully developed China's first unitized integrated concealed water source heat pump unit;

l In June 2002, the general contracting company's qualifications were upgraded to the first-level general contracting for housing construction projects, municipal, Level 2 highway general contracting, Level 2 professional steel structure contracting; l In early 2003, Senlan inverter passed the EU CE certification;

l In January 2003, Sichuan Quality Supervision Association "Trusted Project Quality Unit", "Demonstration unit with no quality complaints for three consecutive years";

l In March 2003, Dr. Chen Bin, the company's general manager, was named "China's Top Ten New Entrepreneurs";

l 2003 In July, Sichuan Hope Deep Blue Electric Power Co., Ltd. was established, marking the official entry of Continental Hope Group into the energy and chemical industry;

l In September 2003, Senlan inverter passed the acceptance of Chengdu's key technological innovation projects;< /p>

l In December 2003, Mr. Liu Yongyan, the company’s chairman, and Mr. Liu Chuanzhi of Lenovo Group won the Hong Kong “Global Chinese Outstanding Business Leader Award”;

l In September 2003, West China Construction General Bao won the "AAA Level Law-abiding and Integrity Unit" and "Advanced Law-abiding and Integrity Unit" by the China Law-abiding and Integrity Evaluation Center;

l In September 2003, West China Construction General Contracting won the "National Industry Award" issued by the China Quality Inspection Association. Quality Demonstration Enterprise";

l In October 2003, West China Construction General Contracting China Market Monitoring Center "China's Model Enterprise of Integrity, Contract and Quality";

l In 2003, May The emergence of the Star Home International Hotel marked the mainland's desire to officially enter the hotel industry; l In early 2004, Senlan Inverter won the "Excellent Torch Plan Project" award from the Ministry of Science and Technology;

l April 2004 , undertook the renovation and expansion project of the Tibet Office in Chengdu Hospital, and was rated as a provincial and municipal standardized safe and civilized construction site and won the Furong Cup;

l In April 2004, the Sichuan Provincial Construction Industry Association won the "Sichuan Province Second Prize" "Advanced Enterprise in the Construction Industry from 2002 to 2003"

l In May 2004, the company's general manager Chen

Dr. Bin became the cover figure of the industry's authoritative magazine "Electrical Age";

l In October 2004, Senlan SB80 engineering inverter was launched, marking the launch of the first professional-grade inverter in China;

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l In December 2004, the company's general manager Dr. Chen Bin was named "News Figure in China's Automation Field";

l In 2004, Deep Blue's high-efficiency and energy-saving lithium bromide unit was launched on the market, with a COP value of 1.36 ; "Hope Deep Blue" won the title of "Famous Trademark of Sichuan Province";

l In 2004, the acquisition of Dujiangyan Chengyu Zhengfeng Salt Chemical Co., Ltd. laid the foundation for the development of chemical industry;

l In 2004, the acquisition of Maoxian Electric Power Co., Ltd. laid the foundation for energy development;

l In 2004, Sichuan Hope Hydropower Development Co., Ltd. was established, and the "energy-chemical" industrial chain was formally formed;

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l In 2004, it obtained the right to develop cascade power stations in the Chibusu River Basin of Maoxian County; l In April 2005, Senlan launched the SB50 smart/economical frequency converter;

l In July 2005, The general construction contracting company obtained the qualification certificate of the People's Republic of China and the State for Foreign Contracting Projects

l In August 2005, the general construction contracting company won the bid for the reconstruction and expansion project of Comrade Zhu De Memorial Hall in Yilong County

l In August 2005, General Manager Xiao Yuanfu was awarded the first batch of senior professional managers in China's engineering construction

l In September 2005, Leshan Jingyan Salt Chemical Plant was completed and put into operation;

l In 2005 In December, Senlan Inverter was rated as one of the "Top Ten Domestic Inverter Brands in China" and ranked first among similar products;

l In 2005, Shenlan Air Conditioning Company passed the ISO14001:2004 Environmental Management System Certification; large temperature difference hot water type lithium bromide units have successfully entered industry applications;

l In 2005, Continental Hope Group entered Diesong Scenic Area, and the group's hotel tourism culture is ready for great development;

l In March 2006, Senlan launched a special frequency conversion energy saver for injection molding machines to enter the professional and market segments; l In April 2006, at the "China Automation Industry Century Tour (CAIE)" event, Senlan was awarded the "2006 Annual The first brand of domestic inverters in China";

l In June 2006, Senlan was rated as "the first among the top ten inverter brands that are most satisfactory to Chinese users in 2005-2006"

< p>l In June 2006, Senlan Company signed a strategic cooperation agreement with the China Automation Society and began comprehensive cooperation such as ASEA system engineer certification;

l In July 2006, Senlan launched a comprehensive product-SB70UNIDRIVER A series of high-performance vector control inverters;

l In September 2006, Senlan's 560kW low-voltage high-power inverter successfully rolled off the production line, creating a precedent in the industry;

l In 2006, Deep Blue Air Conditioning Successfully developed China's first subcritical ultra-low-temperature water source heat pump unit without adding antifreeze;

l In 2006, Deep Blue Air Conditioning was rated as "the key product of China's energy-saving project construction energy-saving central air-conditioning host series" by the National Energy Conservation Monitoring Center Recommended Unit";

l In July 2006, West China General Contracting won the "Twenty-fifth of the Top 50 General Contracting Construction Enterprises in Sichuan Province"

l In July 2006, General Manager Xiao Yuanfu was awarded the Top Ten Outstanding Managers in the Construction Industry of Sichuan Province, and Deputy General Manager He Qitong was awarded the Top Ten Outstanding Project Managers.

l In August 2006, the steel structure professional contracting was upgraded from Level 2 to Level 1;

l In 2006, Homeland Hotel Management Company was established. As of today, it has 4 hotels (it is expected that there will be nearly ten hotels to be managed) l In January 2007, Senlan SB70 was rated as "New Product of the Year" by Zhongkong.com;

l In February 2007, Architectural Decoration Engineering professional contracting was upgraded from Level 2 to Level 1;

l In April 2007, Senlan once again ranked as the first brand of domestic inverters in China;

l In April 2007, Maoxian County Serugou Power Station was completed and put into operation;

l In May 2007, Senlan established a postdoctoral research station;

l In June 2007, Senlan won the "Annual Energy Saving Contribution Award" , "Energy-saving Product User Choice Award";

l In June 2007, Senlan Company successfully passed the ISO14001 environmental management system certification;

l In June 2007, Senlan SB70 representative For the first time, domestic brands have fully entered all sections of large non-ferrous metallurgical enterprises, breaking the monopoly of foreign brands;

l In June 2007, Senlan Company established the "Sichuan Frequency Conversion Speed ??Regulation Engineering Technology Research Center" ;

l In June 2007, the general contracting company was rated as "Top 50 Sichuan Construction Enterprises in Comprehensive Strength" and "Top 30 Sichuan Construction Enterprises with the Largest Market Share";

l In June 2007, the "Construction Method for Ultra-Long Concealed Metal Profiled Roof Panels" compiled by the general contracting company was awarded the second-level (provincial) construction method in Sichuan Province;

l June 2007 , the independently developed comprehensive management software for construction enterprises has passed the scientific and technological achievements appraisal organized by the Sichuan Provincial Department of Construction;

l In September 2007, Senlan inverter won the title of "China Famous Brand" product;

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l In November 2007, Senlan won the first place in the "Top Ten Domestic Inverter Brands Most Satisfied by Chinese Users";

l In 2007, Deep Blue Air Conditioner successfully developed China's first solar water source Heat pump unit; China's first household hot and cold water source heat pump unit was successfully developed;

l In 2007, the water source heat pump and lithium bromide absorption unit series products obtained the CRAA certification for intermediate cooling; the Deep Blue series products passed the CSC Energy Saving Certification;

l In 2007, Continental Hope Group broke through the siege and won the Xinjin project that amazed the whole city. A dream empire that will amaze the world will emerge; l January 1, 2008, "Hope "Senlan Inverter Manufacturing Co., Ltd." officially changed its name to "Hope Senlan Technology Co., Ltd.";

l In January 2008, Senlan SB80 engineering vector control inverter won the first prize for scientific and technological progress in Sichuan Province Award;

l In early 2008, Deep Blue Air Conditioning won the title of "Top Ten Most Influential Brands" in China's HVAC industry;

l In March 2008, West China Construction General Contracting Company General Manager Xiao Yuanfu won the title of "National Outstanding Construction Entrepreneur" in 2007;

l In March 2008, the Sichuan Food and Drug Inspection Institute project won the title of Standardized Safe and Civilized Construction Site;

l 2008 In May 2008, the group invested 3.65 million yuan to assist employees affected by the 5.12 Wenchuan earthquake;

l In September 2008, President Chen Bin was elected as the vice president of the China Overseas Chinese Entrepreneurs Federation;

l In November 2008, Deep Blue Air Conditioning won the title of "Top Ten National Brands Most Trusted by Chinese Designers in 2008";

l In December 2008, Deep Blue Air Conditioning won the "2008 China Building Energy Saving and Reduction" award at the Great Hall of the People. l In December 2008, "Quasi Superconducting Vector Control Frequency Conversion Technology" was selected as a major technological invention in the information industry in 2008; l In early 2009, General Manager of Hope West China Construction General Contracting Company Xiao Yuanfu won the title of "Outstanding Professional Manager in China's Engineering Construction" in 2008;

l In April 2009, Senlan Inverter won the title of "The Most Influential Brand of China Electrical Equipment Industry Association";

< p>l In April 2009, Senlan Inverter once again won the title of "China's No. 1 Domestic Inverter Brand";

l In April 2009, Hope Senlan Technology Co., Ltd. established a Beijing R&D center to focus on on new technologies and products

Development;

l In April 2009, Yuan Hui, deputy general manager of Homeland International Hotel, became a national star hotel evaluator;

l In April 2009, Hope West China Construction Project General Contracting The Shishang Qingfeng project undertaken by the company won the title of "Chengdu High-Quality Structural Project";

l In May 2009, Xiao Yuanfu, general manager of Hope West China Construction General Contracting Company, was awarded the title of "Excellent Professional Manager of China's Engineering Construction";

l In June 2009, Senlan inverter topped the list of "Top Ten Brands of Chinese Inverter Customer Satisfaction".

l In June 2009, Chengdu Four Seasons Home Hotel, a luxury business hotel built by the group, officially opened;

l In July 2009, the former Sichuan Hope Deep Blue Electric Power Co., Ltd. The company was renamed Sichuan Hope Deep Blue Energy Chemical Co., Ltd.;

l In July 2009, Hope West China Construction Engineering General Contracting Company once again won the honorary title of Sichuan Province's Contract-abiding and Credit-worthy Enterprise. This was the first consecutive year since 1999. It has been nine years since we received this honor;

l In July 2009, the original Sichuan Hope Deep Blue Power Co., Ltd. was renamed Sichuan Hope Deep Blue Energy and Chemical Co., Ltd.;

l In October 2009, Hope Deep Blue won the "Special Contribution Award for China's Construction Environment and Equipment Industry" issued by the China Survey and Design Association

l In October 2009, at the Second World Environmental Protection and New Energy Industry China Development Conference, Sen. Lan variable frequency won the title of "World's Leading Enterprise in the Field of Motor Energy Saving in the Environmental Protection and New Energy Industry", and Hope Deep Blue won the title of "The World's Leading Enterprise in the Field of Waste Heat Recovery in the World's Environmental Protection and New Energy Industry";

l In November 2009, in order to expand market and looking to the future, the company name was officially changed from "Sichuan Hope Deep Blue Air Conditioning Manufacturing Co., Ltd." to "Hope Deep Blue Air Conditioning Manufacturing Co., Ltd.";

l In November 2009, Senlan Technology Co., Ltd., Hope Shenlan Air Conditioning Manufacturing Co., Ltd. signed a European agency agreement with European Indutrade Company, and the group's direct export business officially kicked off;