Mar. 2004 The electric heating film project of Zhonghui was listed as a hi-tech demonstration project in the reconstruction of northeast old industrial base by the National Development and Reform Commission.

Feb. 2003 passed the authentication of ISO14001 and obtained the certificate.

Feb. 2003 Obtained the patent certificate of “Self-controlled low-temperature radiation electric heating film” issued by the State Intellectual Property Office.

Jan. 2003 Obtained the certificate of “recommended product for Olympic and national large construction projects” issued by the State Construction Quality Supervision, Inspection Center and the Technological Information Research Institute of State Construction Materials Bureau.

Dec. 2002 Obtained the certificate of “green environment-protection famous brand product” issued by China Committee for Promotion of Chinese Famous Brand and Market Strategy.

Oct. 2002 Obtained the certificate of “construction product for generalization of Heilongjiang Province” issued by the Construction Bureau of Heilongjiang Province

Oct. 2002 Identified to have reached international advanced level on a product identification meeting presided by the Construction Commission of Heilongjiang Province

Aug. 2002 Obtained the patent certificate for design issued by the State Intellectual Property Office.

Aug. 2002 Obtained the certificate of “recommended product for engineering construction” issued by China Society of Engineering Construction Standardization.

Jul. 2002 Harbin Committee secretary of C.P.C., Yang Yongmao, inspected the production project of electric heating film.

May 2002 Passed the authentification of ISO9001 and obtained the certificate.

Mar. 2002 Established five sales head offices for northeast China, north China, northwest China, east China and southeast China in Harbin, Beijing, Xi’an, Shanghai and Chengdou.

Jan. 2002 Obtained the for-generalization certificate issued by the National Housing Environment Engineering Center.

Jan. 2001 The electric heating film product was insured by China Pacific Insurance Co., Ltd.

Jan. 2001 The Zhonghui invested project of “electric film heating system” was determined as “national hi-tech industrialization project for promotion” by the National Planning Commission.

Oct. 2001 Identified to have reached international advanced level on a technological achievement identification meeting presided by the Science and Technology Department of Heilongjiang Province

Oct. 2001 Obtained the certificate of “adopting international standard product marks”Issued by Heilongjiang Bureau of Quality and Technical Supervision

Aug. 2001 Established “enterprise standard for electric heating film”, ratified and put on records by Heilongjiang Bureau of Quality and Technical Supervision

Jan. 2001 The company’s dominant product of electric heating film passed the test of 21 authoritative organizations of the county.

May. 2000 Established Zhonghui Group

Mar. 2000 Began to develop the project of electric heating film.