BONAS is the professional manufacturer engaged in developing,producing and marketing ergonomic chair and chair components.Why should you choose BONAS?We only use the most advanced production machinery and equipment available(Have injection machine,molded foam machine and hardware machine our own).We have the highest standards with a strict quality control system in place.Our efficient and integrated supply chain system ensures that you receive your order on time and at a lower cost effective price.Our rice manufacturer experience saves both time and money for production.Our skilled workers make only quality products.Our outstanding designers and technicians create both stylish and functional products. We always insist on offering high quality products and good customer service to our customers to establish a long term relations of cooperate,common sustained and stable development.