luoyang hongchang industry and trade co., ltd. is a large liquid ammonia filling station built in western henan. it mainly sells liquid ammonia, ammonia water, high-purity liquid ammonia, reagent-grade ammonia water, ammonia solution, hydrogen peroxide, ion exchange resin and other chemical products, liquid ammonia storage more than 1,000 tons of ammonia production, tens of thousands of tons of ammonia, sales hotline: 15937934668
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