Field Dictionary
Per-field definitions: name / type / required / enum / basis / data status. Enum values are drawn from manufacturer-catalogue fields and industry-typical values.
1. company
| Field |
Type |
Required |
Enum / format |
Basis |
Data status |
| id |
string(uuid) |
yes |
— |
system-generated |
verified |
| name |
string |
yes |
— |
company page |
verified |
| brand |
string |
yes |
— |
company brand name |
verified |
| location |
string |
yes |
— |
company address |
verified |
| established_year |
integer |
no |
— |
company history |
verified/reference |
| website |
string(url) |
yes |
— |
company URL |
verified |
| factory_area_sqm |
integer |
no |
— |
factory profile |
verified/reference |
| staff_count |
integer |
no |
— |
company profile |
verified/reference |
| monthly_output |
integer |
no |
— |
company capacity |
verified/reference |
| certifications |
string[] |
no |
ISO 9001, ISO 16890, EN 779, EN 1822, ASHRAE 52.2, UL 900, DIN 5510 |
certifications page |
catalog-confirmed |
| source_url |
string(url) |
yes |
— |
company URL |
verified |
2. category
| Field |
Type |
Required |
Enum / format |
Basis |
Data status |
| id |
string |
yes |
— |
system |
verified |
| code |
string |
yes |
air_filter/cabin_filter/oil_filter/fuel_filter/hydraulic_filter/transmission_filter/urea_filter/hvac_filter/hepa_filter/ulpa_filter/activated_carbon_filter/pocket_filter/liquid_filter/metal_cartridge/cleanroom_equipment/ffu/... |
category tree |
verified |
| name |
string |
yes |
— |
product navigation |
catalog-confirmed |
| parent_id |
string |
no |
category-tree parent |
hierarchy |
verified |
3. product
| Field |
Type |
Required |
Enum / format |
Basis |
Data status |
| id |
string |
yes |
— |
system |
verified |
| name |
string |
yes |
— |
product page title |
catalog-confirmed |
| sku |
string |
yes |
model / OE number |
product page |
catalog-confirmed |
| category_id |
string |
yes |
FK → category |
product grouping |
verified |
| company_id |
string |
yes |
FK → company |
manufacturer |
verified |
| description |
string |
no |
— |
product page body |
verified/reference |
| source_url |
string(url) |
yes |
— |
product page URL |
verified |
4. oe_reference (OE cross-reference)
| Field |
Type |
Required |
Enum / format |
Basis |
Data status |
| id |
string |
yes |
— |
system |
verified |
| product_id |
string |
yes |
FK → product |
relation |
verified |
| oe_number |
string |
yes |
e.g. 23401-1441, 42N-62-15470, 35330-60070 |
product title |
catalog-confirmed |
| brand |
string |
no |
Komatsu/Volvo/Mercedes-Benz/Mitsubishi/... |
product title |
catalog-confirmed |
| equipment_type |
string |
no |
truck/loader/tractor/combine/passenger/ATV |
product description |
reference |
| data_status |
enum |
yes |
verified/catalog-confirmed/reference/pending |
status system |
catalog-confirmed |
5. spec (technical parameter key-value)
| Field |
Type |
Required |
Enum / format |
Basis |
Data status |
| id |
string |
yes |
— |
system |
verified |
| product_id |
string |
yes |
FK → product |
relation |
verified |
| spec_key |
string |
yes |
dimension/efficiency_class/pressure_drop/dust_holding/temperature_resistance/airflow/cleanliness_class/removal_rating |
spec table |
verified/reference |
| spec_value |
string |
yes |
e.g. "610×610×70mm", "H14", "1μm", "80°C" |
spec table |
verified/reference |
| unit |
string |
no |
mm/inch/Pa/°C/μm/CMH/CFM/m/s/%/USD |
spec table |
verified/reference |
| data_status |
enum |
yes |
status system |
— |
verified/reference |
spec_key enum and basis
| spec_key |
Description |
Basis |
Status |
| dimension |
Outer dimensions |
HEPA size table, FFU size |
verified |
| efficiency_class |
Efficiency class |
G1-G4/M5-M9/H10-H14/U15-U17/F8/F9 |
verified |
| pressure_drop |
Pressure drop |
catalogue / industry-typical |
reference |
| dust_holding |
Dust-holding capacity |
catalogue / industry-typical |
reference |
| temperature_resistance |
Temperature resistance |
260/350°C, 80°C, 300°C etc. |
catalog-confirmed |
| airflow |
Airflow |
FFU 4000-5000 CMH |
verified |
| cleanliness_class |
Cleanliness class |
FFU Class 100 |
verified |
| removal_rating |
Filtration rating |
metal cartridge 1/3/5/10/20/30/50/100 μm |
verified |
| efficiency_percentage |
Efficiency % |
95% DOP |
catalog-confirmed |
6. material
| Field |
Type |
Required |
Enum / format |
Basis |
Data status |
| id |
string |
yes |
— |
system |
verified |
| product_id |
string |
yes |
FK → product |
relation |
verified |
| part |
string |
yes |
frame/end_cap/seal/o_ring/support_layer/housing/core/media/thread |
catalogue table |
catalog-confirmed |
| material_value |
string |
yes |
see enum below |
catalogue table |
catalog-confirmed |
| data_status |
enum |
yes |
status system |
— |
catalog-confirmed |
material_value enum
- frame/housing: galvanized steel, stainless steel (SS304/SS316L), aluminium, cardboard/paper, titanium (Ti)
- end_cap: PU (polyurethane), 215/222/226, DOE, Flat 222, High 222/226, threaded
- seal/o_ring: Silicone, EPDM, Viton, FEP, NBR, PEFE, endless gasket, gel
- support_layer/core: PP, PET, PTFE, PP mesh
- membrane: PP, PVDF, PTFE, NL, GF, PET
| Field |
Type |
Required |
Enum / format |
Basis |
Data status |
| id |
string |
yes |
— |
system |
verified |
| product_id |
string |
yes |
FK → product |
relation |
verified |
| type |
string |
yes |
needle_punched/synthetic_fiber/micro_glass_fiber/activated_carbon/paper/membrane/sintered_mesh/tio2 |
description |
catalog-confirmed |
| efficiency_class |
string |
no |
G1-G4/M5-M9/H10-H14/U15-U17 |
grade table |
verified/reference |
| grammage |
string |
no |
g/m² |
industry-typical |
reference |
| data_status |
enum |
yes |
status system |
— |
catalog-confirmed |
8. manufacturing_process
| Field |
Type |
Required |
Enum / format |
Basis |
Data status |
| id |
string |
yes |
— |
system |
verified |
| product_id |
string |
yes |
FK → product |
relation |
verified |
| process_name |
string |
yes |
pu_potting/pleating/separator_pleating/mini_pleat/sintering/welding/lamination/needle_punching |
equipment/process |
catalog-confirmed |
| equipment |
string |
no |
pleating/forming/laminating/needle-punch machines |
equipment page |
verified/reference |
| params |
json |
no |
pleat depth/speed/paper width etc. |
equipment parameters |
verified/reference |
| data_status |
enum |
yes |
status system |
— |
catalog-confirmed |
9. application
| Field |
Type |
Required |
Enum / format |
Basis |
Data status |
| id |
string |
yes |
— |
system |
verified |
| code |
string |
yes |
automotive/heavy_machinery/agricultural/air_compressor/lawn_garden/swimming_pool/paint_booth/hvac/food_beverage/healthcare/pharma/public_transport/commercial_building/industrial/oil_gas/chemical/power/electronics/livestock/water/cleanroom/mushroom/3d_printer/air_purifier/fresh_air |
application page |
catalog-confirmed |
| name |
string |
yes |
— |
application page |
catalog-confirmed |
| medium |
enum |
yes |
air/oil/fuel/hydraulic/cabin/cleanroom_ffu |
filtration medium |
verified |
10. factory_capacity
| Field |
Type |
Required |
Enum / format |
Basis |
Data status |
| id |
string |
yes |
— |
system |
verified |
| company_id |
string |
yes |
FK → company |
relation |
verified |
| area_sqm |
integer |
no |
24000/10000/22496 |
factory profile |
verified/reference |
| staff_count |
integer |
no |
180/90 |
company profile |
verified/reference |
| monthly_output |
integer |
no |
200000 |
company capacity |
verified |
| production_lines |
string[] |
no |
PU line/air-filter line/HEPA line/paper line/FFU line |
equipment |
catalog-confirmed |
| data_status |
enum |
yes |
status system |
— |
verified/reference |
11. packaging
| Field |
Type |
Required |
Enum / format |
Basis |
Data status |
| id |
string |
yes |
— |
system |
verified |
| product_id |
string |
yes |
FK → product |
relation |
verified |
| unit |
string |
no |
pcs/roll/set |
MOQ description |
reference |
| carton_qty |
integer |
no |
— |
industry-typical |
reference |
| dimensions |
string |
no |
— |
industry-typical |
reference |
| weight |
string |
no |
— |
industry-typical |
reference |
12. moq
| Field |
Type |
Required |
Enum / format |
Basis |
Data status |
| id |
string |
yes |
— |
system |
verified |
| product_id |
string |
yes |
FK → product |
relation |
verified |
| moq_value |
integer |
no |
20 (roll) / 200 (set) / 500 (pcs) |
catalogue |
verified/reference |
| moq_unit |
string |
no |
roll/set/pcs |
catalogue |
verified/reference |
| data_status |
enum |
yes |
status system |
— |
verified/reference |
13. source (evidence source and data status)
| Field |
Type |
Required |
Enum / format |
Basis |
Data status |
| id |
string |
yes |
— |
system |
verified |
| entity |
string |
yes |
company/product/oe_reference/spec/... |
traceability object |
verified |
| entity_id |
string |
yes |
— |
related entity id |
verified |
| catalog_record |
string |
yes |
neutral "manufacturer catalog record" |
evidence source |
verified |
| url |
string(url) |
yes |
— |
page URL (archived) |
verified |
| crawl_date |
date |
yes |
2026-10-29 |
crawl date |
verified |
| data_status |
enum |
yes |
verified/catalog-confirmed/reference/pending |
status system |
verified |