With more than 20 years experiences in the filtration field, Shanghai Indro Industry Co., Ltd(Shanghai Filterworkshop Co., Ltd) has become to be one of leading and professional filter manufacturers and suppliers.

INDRO offers a widely range of filtration products and services relating to filtration technology. We produce filter bag making equipments or machines, filter media or fabric as rolled goods and manufacture filter bags, liquid filtration products as well as other related accessories etc.

We service customers in the most diverse industrial branches- and this world-wide.

Our main products:

-Filter cloth

Polyester, polypropylene, acrylic, aramid(nomex), pps, p84, fiberglass needle felt with treatment of singeing, calendar, hear set, anti-static, water and oil repellent, ptfe mem/coating etc

Fiberglass mix pps, fiberglass mix p84 or other compound felt according your request.

Woven fiberglass cloth with finish treatments of anti-acid, silicone, graphite and ptfe coating etc.

Polyester/Polypropylene needle felt for liquid filtration.

Nylon mesh for liquid filtration.

-Filter bags/filter sleeves for dust collector

Filter Shaker bags/Shaker Bags

Reverse air filter bags/Filter bags for reverse air

Pulse Jet filter bags

Envelope filter bags

Filter bags for special working conditions

Size: diameter 100mm, 125mm, 130mm, 150mm, 180mm, 250mm ect.

Any length is available. Special size is customizable.

Process Method: sewing or welded

- Filter cages

Cages match the air dust collector filter bags mentioned above.

- Filter bag sewing thread

Used for sewing filter bags: ptfe thread, fiberglass thread, nomex thread, polyester thread.

-liquid filter housings:

Singe bag filter housing for bag size1#, 2#, 3#, 4#

Side entry bag filter housing for bag size1#, 2#, 3#, 4#

Top entry bag filter housing for bag size1#, 2#, 3#, 4#

Stainless steel bag filter housing for bag size1#, 2#, 3#, 4#

Polypropylene plastic bag filter housing for bag size1#, 2#, 3#, 4#, 5#

Multi-bag liquid filter housing

Single cartridge filter housing

Multi-core or cartridges filter housing

-liquid filter cartridge

Filter cartridge Types Filter cartridge Size Micron Rating

PP Melt-blown filter cartridge 10-40 inches 1-100μm

String wounded filter cartridge 10-40 inches 0.5-100μm

Pleated Filter Cartridge 10-40 inches 0.2-100μm

Active Carbon Filter Cartridge 5-20 inches 5-10μm

-filter bags for liquid filtration

Polypropylene felt bags: 1-300 micron

Polyester felt bags: 1-300 micron

Nylon mesh bags: 25-800 micron

High temperature micron rating bags: Nomex felts /ptfe(Teflon felt) in most micron ratings

-Dust collector filter bag machines:

Automatic filter bag sewing machines for dust collector filter bags

Automatic filter bag welding machines for dust collector filter bags

Automatic filter fabric cutting machines/slitting machines

Filter bag top and bottom sewing machines

Filter bag bottom cutting machines

Filter bag snap band cutting machines

Filter bag snap band strip cutting machines

Filter cloth zip zip sewing machines

-Liquid filter bags machines: filter bag welder and stitching machines

Air filter bag pleating machines