Looking for biological family and relatives

I was born on Jan/02/2004(with birth note), girl, due to some reason beyond the control ,I was found at the gate of the Army Men's Transfer reception place in Yongfeng county, Jiangxi province on Jan/04/2004 . I was sent to local SWI after some related offices help. I am 17 years old, is adopted by a nice family. My adoptive parents love me so much. I am happy and outgoing, creative girl, I like all kind of arts and crafts, I like fitness and shooting, I even won national championship as No. 1 for air rifles shooting. I live in Sweden with good life now. I want to know my birth family and my background. In order to make my life more completely . I try to search my birth parents this years. Thanks them to give me life, and I will not legal suit them or hate them. I want to keep in touch with them, want them know - I am doing very well now.Kind person, please help me. Thank you