Simplify the following text for a Grade 12 native English-speaking person.
Original: Costing approximately $ 450 million ( USD ) , the circuit was financed by a government-funded joint-venture company , consisting of the Shanghai Juss Corporation , Shanghai National Property Management Co Ltd , and Shanghai Jia ` an Investment and Development Co Ltd. .
Simplified: Costing approximately $ 450 million ( USD ) , the circuit was paid for by a government-funded joint-venture company . This company was made up of the Shanghai Juss Corporation , Shanghai National Property Management Co Ltd , and Shanghai Jia ` an Investment and Development Co Ltd. .