UL certified replacement air filters

Shenzhen Guozhihuifu Polymer Material Co., Ltd. was established in 2001, with registered capital of 24 million RMB. We are a high-tech joint-stock enterprise mainly engaged in the R&D, production and sale of polymer materials and new-type composite materials for environmental protection. Taking the leading position in the same industry, we have customers well-known both at home and abroad, such as Fujitsu, Emerson, Juniper, Schroff/Pentair, Huawei, ZTE, Foxconn, and so on.

Company History
May 2007: passed SGS occupational health and safety management system certification
August 2005: honored as "Shenzhen hi-tech enterprises"
December 2001: passed SGS and ISO9001 international authentication
November 2001: company registered

Company Own Patents
"mesh composite sound-absorbing material" invention patent
"mesh polyurethane foam plastics and preparation methods" invention patent
"composite polyurethane material for shock absorption & seepage-proofing" practical new-type patent
"air filter" patent for utility model
"dustproof ventilation mesh" patent for utility model

Main Products Introduction:
1: Sound Insulation and Noise reduction Series
-PU Sound Absorbing Foams
-Melamine Sound Absorbing Foam
-Polyester Sound Absorbing Foam
2: Thermal Insulation Foam
3: Seal Series
-Sponge Sealing Strips
-EPDM Sealing Strips
4: Packing and Anti-static Sponge
5: Dust Proofing Series
-Mesh Polyester Foam Filters
-Polyurethane Foam Air Filters
GZHF air filters serves the computer networking, industrial machinery, medical, transportation and data-storage industries. Its customers include both OEMs, and end users. GZHF air filters are used in a broad range of communications equipment, including optical networking, wireless base stations, DSL/broadband, soft switches, voice-over Internet protocol gateways, servers, routers, cable modem termination systems, high-speed data transmission equipment, and fiber to the premises.