The Lingyu series opens both sashes inward — full ventilation, easy cleaning from inside, and airflow control from a crack to a wide aperture. The detailed specification sheet is being finalised; send us your schedule and we will return the full technical file.
two inward-opening sashes, full control of ventilation.
| Opening | Double-sash inward opening |
|---|---|
| Profile depth | 80 mm |
| Wall thickness | 1.8 mm |
| Thermal break | PA66 nylon (width on request) |
| Glass | Double or triple glazing, configured per project |
| Hardware | SIEGENIA / HOPO / custom |
| Specification sheet | Full technical file on request |
All WOMUSEN systems share the same base build: 6063-T5 architectural aluminium, automotive-grade EPDM triple seals, dowel-pin injection corners with two-component adhesive, concealed floor drainage and anti-pry locking points. Hardware is SIEGENIA or HOPO, 80 kg standard with 150 kg optional.
Grades are on a 9-point internal scale, not an EN classification. If your specification calls for EN 12207 / 12208 / 12210 classes, send the schedule and we will return the tested configuration.
| MOQ | 1 × 20GP container, mixed models accepted |
|---|---|
| 20GP | Indicative 100–150 m² of standard casement windows |
| 40HQ | Indicative 250–300 m² of standard casement windows |
| Lead time | 20–30 days after deposit and shop-drawing approval |
| Incoterm | FOB Tianjin / Xingang |
| Payment | T/T 50% deposit + 50% before shipment |
| Packing | Wooden crate, corner-protected, labelled per opening mark |
| Documentation | Available on request |
Loading figures are indicative for double-glazed casements in crate packing. Larger units, triple glazing or thick laminate reduce the square metres per container — the exact number is confirmed once your window schedule is fixed.
Residential projects that prefer inward-opening double sashes — safe exterior cleaning from inside and precise control of airflow.
For hot and humid markets the binding constraints are usually wind load, water tightness and hardware corrosion — not U-value. Tell us the design pressure and the distance from the coast, and we will confirm which surface finish and hardware grade the project needs.
Drawings, opening sizes, glass build and destination port are enough to start. Reply within 48 hours with a priced quotation and a container loading plan.