Hubei Sanjiang Space Double Rhombus Caster Corporation is a large-scale manufacture enterprise of castors, wheels and airport trolleys and handcarts, integrating researching, developing and manufacturing in a whole. Our trolleys and casters were adopted European Standard in designing and manufacturing with beautiful appearance, steady capability and durable use. Our corporation holds modern manufacturing processes and equipment in mould making, bending cutting, punching, welding, surface plating, machine assembly and capability tests. Our corporation has perfect production lines for furniture casters, instrumental casters, industrial casters, heavy-duty industrial castors, medical castors without sound, luggage trolleys, handcarts, stainless steel trolleys and aluminum alloy handcarts for airport. Our corporation has owned mature production lines of incising, bending, welding surface-plating and packing for trolleys. Our production capability has been over 3000pcs per month. There are more than 20 kinds of passenger trolleys, handcarts and shopping carts in our company. These products have been used in more than 20 countries and regions. Our products have been getting high recognitions and reputations from international customers. In 2008, our brand "Double Rhombus" was conferred as China Famous Brand. Our corporation was conferred as "Quality, Service, Prestige AAA Enterprise" by Chinese Organizations. In1993, the National Standard Bureau entrusted our corporation to compile the National Standard for industrial Castors and Industrial wheels (GB/T14687-93 and GB/T14688-93). Our corporation got ISO9001 certification in 1996. In 2003, our corporation completed and attained ISO9001:2000 quality system certification again.</p>