... Office chair,office furniture,manager chair,executive chair,hotel chair,home furniture, PU upholstery,powder coated+soft padded armrest,powder coated nylon base,Y-19 mechanism, back ... passed GB/T19001---2000idt IS09001: 2000 quality system authentication. chair specification: Size of back: 52x75CMSize of seat: 51x52CMHigh of Seat: 45~53CMSize ...