... seating base.7. sophisticated technology. Very good Mesh for back. 8.Multi-functional Mechanism: Lock, ... 2012 CIFFISO CERTIFICATESGS CERTIFICATEColor sampleAbout Gaosheng:Gaosheng Office Furniture is located in Foshan China, is ... office chair, office chair, mesh chair, staff chair, visitor chair, boss chair, executive chair, school chair. plastic chair, auditorium chair, ect. High quality mesh office ...