Established since 1978. One of office chair manufacturer in Taiwan-Yun Liang Machinery Co., Ltd. Taking pride in making chair with excellent quality, self R& D ergonomic function, novel design and competitive price. We have been expanding our business operations around the world and enjoyed an excellent reputation. (Above 90% parts of chair are self produced including multiple function mechanism, backrest post, outertube for gas lift, steel arm bracket, nylon base, seat / back shell, injection foam, etc) We do Original Equipment Manufacture (OEM) for clients, to build an associationship with international corporations that a better future for everyone. Yun Liang already acquired ISO-9001 certificate to assure you that all products manufactured by our company are guaranteed with excellent quality safety and durability. We are an expert in office chair industrial.