Runheng is a Hong Kong-headquartered architectural metalwork subcontractor specializing in curtain wall louvers, aluminum windows & doors, steel structures, glass balustrades, and architectural aluminum cladding. Our factory in Jiangmen, Guangdong — with multiple production workshops — handles everything from design development and shop drawings to fabrication, surface treatment, and delivery.
With a comprehensive engineering archive accumulated over many years, we bring a level of technical depth and traceability that few competitors can match. Our engineering archive covers every project we have undertaken — down to individual material batches and fabrication orders.
RS/TWY series louver systems for airports, stadiums, data centers and commercial towers. Designs range from compact RS1605 to heavy-duty RSH5700, including typhoon-rated TWY series for Hong Kong's extreme weather conditions.
Sliding windows, casement windows, hinged doors, and shopfront systems. Complete NH series extrusion profiles (30+ types) paired with Wellink hardware — a standardized yet flexible system for residential and commercial projects.
Hot-dip galvanized steel (G.M.S) fabrications — brackets, support frames, steel stairs, and structural components. BS EN 10025 certified S275J0 structural steel with full traceability.
Structural glass balustrades with laminated tempered glass (12mm to 15+15mm low-iron). Complete handrail systems including stainless steel, aluminum, and timber top rails. Hospital Authority approved supplier.
Aluminum composite panels, sunshades, louvers, ceiling systems and decorative screens. PVDF fluorocarbon (3-coat/4-coat) and powder coating finishes in custom RAL colors.
Integrated supply chain for Wellink and Kinlong hardware — locks, handles, hinges, weather strips. Full quality control over every component in our systems.
RS7405, RS4405, RS7305A, RSH5700 — 30+ models from compact to heavy-duty. Extensive documented applications across airports, stadiums, commercial towers and residential projects. A core product line for the business.
TWY420, TWY630, TWY220 — engineered specifically for Hong Kong's typhoon-prone environment. Higher structural strength, wind tunnel tested. A key differentiator from standard louver manufacturers.
NH76810, NH10510, NH10513 — 30+ aluminum extrusion profiles for windows and door systems. Standardized with Wellink hardware for consistent quality across all projects.
GD2 (12mm tempered), GD1 (hinged door), GD3-GD9 — complete glass door system. Paired with 3085A lock body and ZM03A handle from Wellink.
6063-T5/T6 aluminum extrusion, S275J0 structural steel, SUS304/SUS316 stainless steel. PVDF fluorocarbon (3/4-coat) and powder coating in custom RAL colors. Laminated low-iron tempered glass up to 15+15mm.
Hong Kong International Airport T2 — RS7405/4405/7305A/TWY420 louvers. 625 indexed records. Our largest single project.
United Hospital — glass balustrades, aluminum sunshades, steel fabrications (25+ tons of steel). Princess Margaret Hospital, Chinese Medicine Hospital.
Lyric Theatre Complex — RS7305A dual-fin mega louvers. Signature public landmark project.
District cooling system — RS7305A dual-fin louvers. Government Flying Service HQ.
Galaxy Hotel — TWY420 typhoon louvers. Integrated resort project in Macau.
JP RESIDENCE Cambodia (82 docs, villa+hotel). Capella Maldives (built-in furniture). Micron Taiwan (LSM louvers).