Provide filter R&D service for new type screw refrigeration compressor in 2000.
And become Original Filter and Filter element parts supplier of Dalian Refrigeration Equipment Manufacturing Co.,Ltd since 2001.
Provide localization service of imported equipment filter for Shenhua Group's Shendong Coal Mine in 2002. Now Wanhe is an excellent filter supplier of other colliery districts.
Apply for and obtain the Utility Mose Paten for oil separator element in 2003.
Become Original Filter and Filter element parts supplier of Yantai Moon Co.,Ltd since 2001.
Independent research and design of China first type filter element for hydraulic support electro-hydraulic control valve in 2005.
Got ISO9001 Quality Certification in 2007 ; To be filter element supplier of Shenhua Ningxia Coal Industry Group in 2007.
Set up our office in Dalian and Yinchuan in 2008.
To be Original equipment supplier of SANY in 2009 ; To be Qualified supplier of Gree in 2009.
To be Qualified supplier of Midea in 2010.
Settle Xinxiang Filtration Industrial Park in 2011 ; "WANHEXIN" is regard as " Xinxiang Well-know Trademark" in 2011.
Set up our office in Eerduosi in 2011 ; Join China Refrigeration Institute,CRAA and China National Coal Association in 2011.
Set up our office in Shuozhou in 2012. we become the filters OEM manufacturer for York Air Conditioner,Kaishan Group,
DunAn Group,and other refrigeration equipment company in 2012.
Found enterprise journal 《Wanhe People》 in 2013.
List in National Equities Exchange And Quotations in 2014 ;
Identified of National high-tech enterprises in 2014 ;
Identified by Municipal Engineering Technology Research Center in 2014 ;
Pass EU NB institutions CE Certification in 2014 ;
Obtain the county science and Technology Progress Award in 2014 ;
Put on file of Tech SME in 2014.
Become the supporting manufacturer of Zhejiang VALUE in 2014.