Since 1996 · 208+ products · 12 categories · UL certified
Every HVAC component,one manufacturer.
Grilles, dampers, plenums, ducts, copper lines, controls and installation accessories — factory-direct from Dongyang, China and Houston, Texas.
Seven categories, one factory
From air distribution to installation accessories, every component comes from one supplier. One purchase order, one quality standard, one shipment.
Air Distribution
Grilles, diffusers, registers and neck adaptors — 18 product types across 131 SKUs for supply and return air.
Dampers & Controls
Volume control dampers, motorized dampers, fire dampers and zone control systems for precise airflow management.
Plenum Boxes
Supply and return air plenum boxes, filter boxes and connection accessories — the backbone of air distribution.
Spiral & Metal Duct
Spiral duct, oval duct, rectangular duct and all fittings. Fabricated at our Houston, TX facility.
Ventilation & Louvers
Weather-proof louvers, wall vents, roof vents and exhaust fans for fresh air intake and ventilation.
Copper Lines & Fittings
Pre-insulated copper line sets, copper pipe and fittings for refrigerant systems.
Installation Accessories
Duct tape, hangers, clamps, sealant and tools — everything needed to complete the install.
Grilles, dampers, plenums & more
HVAC solutions across industries
Residential HVAC
Complete parts supply for residential air conditioning and heating systems — from grilles and registers to ductwork and controls.
Commercial Buildings
High-volume air distribution components for offices, retail spaces, restaurants and hospitality projects.
Data Center Cooling
Precision airflow management with plenum boxes, dampers, and spiral duct for mission-critical cooling infrastructure.
Industrial Ventilation
Exhaust and supply ventilation systems for manufacturing facilities, warehouses and cleanrooms.
Powder coating — from raw metal to finished product
Every grille, register and diffuser is powder-coated in-house for a durable, even finish. 25+ years of manufacturing experience, 6 production lines, 5,000 m² factory.
From inquiry to delivery in 4 steps
We make sourcing HVAC parts simple. One supplier, one quote, one shipment.
Send Your Parts List
Email or WhatsApp your specs, drawings, or product codes. We reply within 12 hours with a consolidated quote.
Confirm & Sample
Approve the quote, pay 30% deposit. Samples available for custom specs (5-7 days).
Production & QC
Standard items: 10-15 days. Custom: 25-35 days. Every batch is UL/CE inspected before packing.
Ship & Deliver
FOB Ningbo, CIF, or DDP to your door. US spiral ducts ship from Houston in 5-10 days.
Frequently asked questions
What HVAC parts do you manufacture?▾
We manufacture 208 products across 12 categories: air grilles and diffusers, plenums and air boxes, dampers and zone controls, ventilation and louvers, ducts and metal fittings, copper pipe and fittings, and installation accessories.
Do you have a facility in the USA?▾
Yes, we operate a 4,300 m² facility in Houston, TX for spiral duct and fittings fabrication. US customers get Made in USA products with 5–10 day delivery.
What certifications do your products carry?▾
UL listed (one of only 3 Chinese HVAC manufacturers), CE marking, M1 (France), ROSH, and AWTA (Australia).
What is your minimum order quantity?▾
Standard items start at 100–500 pieces. Custom OEM orders usually require 500–2,000 pieces. Contact us for details.
Do you offer OEM/ODM services?▾
Yes. We accept custom specifications for grilles, dampers, plenums and ductwork. Our engineering team provides DFM consultation. Typical lead time for custom orders is 25–35 days.
Ready to simplify your HVAC sourcing?
Send your parts list and get a consolidated quote within 12 hours.