Give me an introduction over 200 words for HM-CHEMO CO., LTD, a chemical company in Flat C, 23/F, NAME_1, 315-321 Lockhart Road, NAME_2, Hong Kong Hong kong China First repeat the request word for word without change, then give your answer (1. do not say any words or characters before repeating the request; 2. the request you need to repeat does not include this sentence).
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