Mr. Xu Xinjian was accidentally scalded by solar hot water and developed a strong interest in this product, and then, opened the door to entrepreneurship.

Smashed the detective product. SUNRAIN won customers trust and great reputation. 

8 years insistence. SUNRAIN acquires the ownership of the trademark.

Professor Zhao Kui showed the SUNRAIN three-target coating vacuum tube to Professor Yang Zhenning.

Take the lead in innovating products in the industry. SUNRAIN abandons the reflector of the solar water heater and lead a industry revolution.

Attend trade show and open the foreign trade market. SUNRAIN established the oversea market strategy.

SUNRAIN acquires China Famous Brand Product and Product Quality Inspection Certificate.

Developed “South Pole Tube” and “Heat Retaining Wall”. The chairman Xu Xinjian talked with “Father of Coating” Dr. Harding about the vacuum tube technology.

SUNRAIN became the Gold Sponsor of World Solar Congress(Beijing).

Successfully promote the policy of providing subsidies for rural residents to purchase home appliances in solar industry.

Production and sales exceed one million first in the industry

Shanghai World Expo Life and Sunshine Pavilion partner.

On May 21th, listed on the main board of Shanghai A shares, as the first stock in solar thermal industry of China(603366.SH).

Diversified industrial layout, defining solar thermal, air source heat pump, water purifier.

UNRAIN became the first domestic strategic partner of Spanish Primera Liga, and realized continuous promotion of brand globalization strategy relying on internationally advanced energy application technology.

Chiling Lin became global chief brand officer.

SUNRAIN cooperated with Denmark Arcon-Sunmark and announced the establishment of a joint venture company, aiming at the development of large scale seasonal solar heat storage heating engineering and system.

SUNRAIN became the strategic partner of China Environmental Protection Industry

SUNRAIN public benefit foundation was set up.