欢迎光临，专业于石墨,橡胶
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专业从事于：石墨,橡胶 Established in 1993 and headquartered in Hong Kong, DELTA INTERNATIONAL CO., LTD is one comprehensive and diversified chemical company. With solid strength and excellent investment philosophy, DELTA have invested and take part in activities of productions and marketing on Catalyst, Molecular Sieve, Graphit, Water-purify, Plant Extracts, Cellulose and etc. All products ar...
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