Hubei Sanjiang Space Double Rhombus Caster Corporation is a large-scale special castor manufacture enterprise, which integrate researching\developing and manufacturing in whole.

Being based on the powerful space technology, the corporationg developed Double Rhombus cseries of castors in 1978, and in 2000, Corporation start to research and develop passenger trolleys and handcart for airport. The trolley and castor were adopted European Standard in designing and manufacturing, they are with beautiful look\steady capability and durable use.

The corporation holds modern manufacturing processes and equipments in mould making, bending cutting, punching, welding, surface plating, machinability assembly and capability test, nowadays, corporation have been holding perfect producing lines of furniture castors, instrumental castors, industrial castors, heavy-duty industrial castors, medical castors without sound, luggage trolley, stainless steel and aluminum alloy handcart for airport, and so on.

In1993, the National Standard Bureau entrusted the corporation to compile the National Standard for industrial Castors and Industrial wheels(GB/T14687-93, GB/T14688-93), corporation was certified the quality system of ISO9001 in 1996, in 2003, corporation completed and passed the quality system of ISO9000-2000 again, and got NQA quality system of ISO9001-2000 in 2006.