Design, test and manufacture in strict accordance with Optimax enterprise standards (higher than GB7588).

Standard heavy hammer autistic, optional pure aluminum sill, steel plate bent sill, cast iron sill.

Matching door panel thickness 1.2mm, optional 1.5mm.

Strong adaptability, matching various manufacturers of door operators and various assembly line door panels in the marke.

Overall compact structure, easy installation and debugging.

Detachable wearing parts for easy maintenance.