Qingdao Yonghong Chemical Co., Ltd. is located in Jimo in the north of the beautiful city - Qingdao, where both the tourist industry and transportation are developed. Our company, established in 1995, is a comprehensive chemical company, encompassing production and trade, with self-support import and export authority. We have our own chemical factory, mainly produce and sale NAPHTHOLS , FAST BASES and auxiliaries. ,Our products are sold to more than ten countries and regions including USA, Cana...