| -----1999.9-Company restructured,from"Qingzhou Sanhe Temperature Controlled Equipment Factory" was renamed as the Joint-Stock enterprise, "Qingzhou Sanhe Machinery Co., Ltd." |
| -----2000.2-Sccording to market demands,the first"weight balance exhaust fan"in the company successfully developed and mass production into the market. |
| -----2000.6-The first"energy-efficient、three return hot heater"was successfully developed and started mass production. |
| -----2002.9-the successful production of coloured cooling pad:green colour cooling pad,black colour cooling pad,washable cooling pad. |
| -----2003.5-"Poultry fan, Negative pressure fan" industry production standards in the company's development, formulation and adoption. |
| -----2004.3-By the Chinese market, Brand Management Committeefinds that "China's Top Ten best-selling brand fan." |
| -----2005.4-The company obtained the right of imports and exports. |
| -----2006.3-The company formally established departement of Foreign Trade. |
| -----2006.7-Products had been exported to Bangladesh, the Do-minican Republic, Korea, Pakistan and other countries and establish normal trade relations with many countries. |
| -----2007.1-Products have passed the CE certification, and exported to Italy,Germany , Pinland , Greece , Poland , France and other countries. |
| -----2007.6- "Sanhe company" moved to Economic Development Zone and held a grand celebration. |
| -----2008.2-Company executed international quality standards strictly, had passed the ISO9001: 2008 international quality management system certification. |
| -----2008.5-in Order to improve product quality and output needs,introducted the advanced production line. |
| -----2008.8-2009.6-The company had been to Thailand, Brazil, Germany, Russia, the Netherlands, India and other countries to attend to large-scale product exhibition. |