Sangwin Group is a family run company based in Kingston-upon-Hull. Founded in the 1880s, it is part of a unique group of East ... Yorkshire family businesses over 100 years old. The Group has 3 subsidiary companies: Sangwin Educational Furniture Ltd: Manufacturers of Educational Furniture Sangwin Plant Hire Ltd: Crane, Access Platform & Telehandler Hire, Machine Moving Sangwin Surfacing Ltd: Tarmac Surfacing Contractors Visit us on Twitter @SangwinGroup for all our latest updates. read more