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Since 1985, HL filter has been designing and manufacturing air filtration and liquid filtration for the industry worldwide. HL filter is a family owned company headquartered in Suzhou, Jiangsu, China, with additional locations in Anhui, Guangzhou, Zhejiang, Shanghai, Tianjin, etc. 2 factories and 6 offices in China. And one America branch company, HL filter USA, LLC.
HL filter is devoted to developing needle punched felt, including Polyester(PET) needle felts, Antistatic needle felts, Polypropylene(PP) needle felts, PPS needle felts, Polyamide P84 needle felts, PTFE Needle Felts, Aramid Nomex needle felts, Homo-polymer Acrylic Needle Felts, FMS needle felts, dust filter cloth, dust filter bags, liquid filter bags, filter cartridges and filter housings.
HL filter owns complete filter clothes and filter bags production lines for air filtration and liquid filtration in China. And, under great team supporting, we believe in developing and maintaining long-term, strategic relationships with clients in order to deliver innovative real time solutions to specific customer and market requirements.
The early twentieth century, the Yu family in Jiangsu and Zhejiang provinces, engaged in traditional filter production, which was mainly supplied to the tofu manual workshops and sugar production workshops, etc.
2012 YEAR
Guangde Huilong Enviroment Technology Co,.Ltd Founded, HL filter Guangde factory in construction(100 acres)
2010 YEAR
Huilong Kunshan Factory opening
2009 YEAR
Four star Huilong Hotel foundation in Taizhou Zhejiang
2006 YEAR
Guangzhou AKF filter equipment Co,.Ltd founded
2003 YEAR
HL filter Suzhou ( Suzhou Huilong Purification Filter Co.,Ltd ) founded
1998 YEAR
HL filter Hongkong ( Huilong ( H.K ) INT’ Development Co.,Ltd ) founded
1996 YEAR
HL filter Shanghai company founded
1994 YEAR
HL filter Guangzhou ( Guangzhou Longhuilong Filter Co.,Ltd ) founded
1985 YEAR
Family owned workshop in Zhejiang
• Suzhou Huilong Purification Filter Co.,Ltd
• Add: Datang industrial Zone, Qiandeng 
Town, Kunshan City, Jiangsu, China.
• Tel: +86-20-82580895
• Fax: +86-20-82580859
• Email:
• Guangzhou Longhuilong Filter Co., Ltd
Guangzhou Huilong Filter Co.,Ltd
• Tel: +86-20-82580895
• Email:

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