Would you check my English Compostion if there is grammar problem and please make it correct~?

Question

When I was a middle school student in 1997 I had knew that brand Giordano as only an Korean company’s name since Giordano Limited has distributed their marketing strategies like fit for Korean. They did advertising and sales in a way adjusted with Korean culture. Although they started to sale their goods in Korea, the reactions of Korean customers was not quite well at the first time, it might because of the difference of life-style and culture. but after they make the direction of target toward young age’s people and casting 20’s celebrities who were famous in Korea, and their benefit was grew and had good response from buyers among adolescences and early 20’s. Because of they offered good quality’s products at low prices and did good advertising. So then their brand power located strongly among apparel market in Korea.There was an act that they operated their marketing management with goal of maximizing- unit sales instead of maximizing price margin (Value for money policy)

Answer 1

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I have corrected your grammar and put your text in an idiomatic style.

When I was a middle school student, I thought the brand Giordano was a Korean company. This misconception was due to the fact that Giordano Limited had tailored its marketing strategies to the Korean market, conducting advertising and sales in a way that harmonized with Korean culture. When Giordano first began to sell its goods in Korea, the reaction of Korean customers was unfavorable, possibly because of the differences in lifestyle and culture. After the brand changed its direction, targeting young people and casting Korean celebrities in its advertisements, it began to have a good response from adolescents and young adults. Because it offered good quality products at low prices and had success with its advertising campaigns, the Giordano brand became a power in the Korean apparel market. This result was due to Giordano's decision to operate its marketing management with the goal of maximizing its unit sales instead of maximizing its price margin.

Source(s):

Native English speaker.