[经] sinotech engineering consultants inc.

zhōng xīng gōng chéng gù wèn shè ㄓㄨㄥ ㄒㄧㄥ ㄍㄨㄥ ㄔㄥˊ ㄍㄨˋ ㄨㄣˋ ㄕㄜˋ