Add spaces: 3660USDStandardProgrammeIntensive(ChineseCourse-25lessonsperweek)

Answer: 3660 USD Standard Programme Intensive (Chinese Course - 25 lessons per week)

Add spaces: Thisisthe21stForextraderintheranking.

Answer: This is the 21st Forex trader in the ranking.

Add spaces: ThesurfacemountedvariantsintheA30-familyareavailableintwosizes,480mmdiameterand660mmdiameter.

Answer:
The surface mounted variants in the A30-family are available in two sizes, 480mm diameter and 660mm diameter.