What we do

Where system suppliers start from airflow schedules,
we start from the ceiling detail:
the opening, radius, reveal, finish
and installation sequence.

— architectural air terminal details · Jiangsu, China

Origin

Hongyang is a custom grille and diffuser workshop in Jiangsu, China. We go deep on the ceiling details that catalogue factories turn down — the openings, reveals, radii and finishes that decide whether a diffuser reads as architecture or as hardware.

Built to drawing — not pulled from a catalog.

How we build to drawing

Three things that decide whether a grille reads as architecture or as hardware.

How the air actually flows

A cutaway view of a linear slot diffuser — showing how the T-blade carrier rail directs airflow at a precise spread angle, not the catalog number on the spec sheet.

The locking T-hook geometry

Each blade locks into a machined carrier rail. Machined to a tolerance you can feel under your fingertip — visible to anyone who looks closely, invisible to anyone who shouldn’t.

How it mounts to the ceiling

The mounting flange is perforated for clip-in or screw-mount, fitting both T-bar grids and flush plaster ceilings — a single product across two installation contexts.

Capabilities

  • 5 mm reveal as standard across all SKUs
  • 6-series extruded aluminum + ABS lines, in-house (temper specified per profile)
  • 6 standard wood-grain colors + custom hydrographic match
  • Plaster-in / trimless option available on request
  • 3–7 day samples ex-works for standard runs ≤ 20 m · custom geometry on enquiry
  • MOQ 20 linear metres (or 20 pieces) · mixed specs welcome
  • ISO 9001 + CNAS test reports (GB → EN equivalence supplied)

Invitation

If you’re working on a ceiling detail that doesn’t fit a catalogue page, send us the drawing.