If shipping is cheap why does goods go from Chine to US not from US to China? Would cheap energy lower land costs for a house or flat? Cheap energy would impro

If shipping is cheap why does goods go from Chine to US not from US to China? Would cheap energy lower land costs for a house or flat? Cheap energy would improve situation. But a lot of competition comes from productivity and wages. Low wages in Asia made possible to import goods cheaper from Asia rather than produce locally.