Casement window operator, jalousie operator specs: aluminium or zinc alloy construction, Tee handle, 1pcExtension bar, 2pcs sre Ventana operator, Jalousie window operatorDescription:1. ... in Ningbo, Zhejiang prov.. Our mainly products are window latch, sliding lock, pulley, handles, operators, Joint corners etc...Meanwhile, ... good products to suitable for your markets. Casement window Operator