Shenzhen Sigmaforce Industrial Chairs Co., Ltd. has been engaged in manufacturing and selling industrial chairs ever since our foundation in 2007. We mainly deal in ESD Chairs \ Clean room Chairs \ Polyurethane Chairs \ General Chairs \ High Structure Chairs \ Plastic Chairs and accessories. Sophisticated technology, Innovative spirit and the service policy of "customers first" guarantee the leading place of Sigma Force brand. Powerful Technology Strength & Production Capacity We have a group of professional designers, experienced technicians, senior engineers, and quality administrators, according to ISO9001:2000 based quality control system strictly, and standard management. All these guarantee the timely realization of a quantity of orders. Modern Marketing Concept Our sales team, who are cooperative, experienced, enterprising and catering to the ever-changing market