Premium Sulfate Solutions from China
Leading manufacturer and exporter of Ferrous Sulfate, Manganese Sulfate, Zinc Sulfate, Magnesium Sulfate, and Copper Sulfate for agriculture, industry, and animal nutrition.
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Leading manufacturer and exporter of Ferrous Sulfate, Manganese Sulfate, Zinc Sulfate, Magnesium Sulfate, and Copper Sulfate for agriculture, industry, and animal nutrition.
Explore Our Products
Changsha Rongqing Chemical Co., Ltd is a professional manufacturer and exporter specializing in high-purity sulfate compounds including Ferrous Sulfate, Manganese Sulfate, Zinc Sulfate, Magnesium Sulfate, and Copper Sulfate.
Established as a dedicated business unit of Rech Chemical Co., Ltd and rebranded in 2020, we have built a strong reputation for quality, reliability, and customer service across global markets in Asia, Europe, Africa, and the Americas.
Trusted by agricultural and industrial clients worldwide
Over a decade of experience in sulfate production with strict process control and modern facilities ensuring consistent product quality.
Certified under ISO 9001 standards. Each batch undergoes rigorous testing to meet international specifications and customer requirements.
Efficient shipping network with experienced partners to deliver your orders safely and on time to any destination.
High-purity sulfate compounds for agriculture, animal feed, water treatment, and industrial applications.
Fe ≥ 30%, dried powder form. Ideal for fertilizer and feed applications.
High purity CuSO₄·5H₂O for agriculture, feed, and industrial use.
Zn ≥ 35.5%, granular or powder. Essential trace element for animal nutrition.
Mn ≥ 31.5%, white to light pink powder. Used in feed and fertilizer.
Also known as Epsom Salt. Mg ≥ 16%, SO₄ ≥ 39%.
Green crystals, Fe ≥ 19.5%. Widely used in water treatment and dyeing.
Magnesium sulfate monohydrate in granular form for slow-release fertilizers.
Zn ≥ 22.5%, colorless crystals. Used in feed, fertilizers, and chemical synthesis.
ISO 9001 certified processes ensure every batch meets international standards.
Large production capacity and stable raw material sourcing for consistent delivery.
Flexible packaging, labeling, and payment terms tailored to your needs.
Exported to over 50 countries with efficient logistics and documentation support.
In June 2020, Rech Chemical Business Department 2 officially became Rongqing Chemical Co., Ltd, marking a new phase in our growth and specialization.
Published: 2020-06-28Rising demand in renewable energy and EVs is driving copper sulfate prices up, creating export opportunities for Chinese manufacturers.
Published: 2025-10-22Optimal dosage of ferrous sulfate in poultry feed improves hemoglobin levels and growth performance in broilers.
Published: 2019-09-11For product inquiries, pricing, or technical support, visit our official website to contact the Rongqing Chemical team.
Tel: +86-731-85864603
Fax: +86-731-85864605
Email: info@rqsulfates.com
Skype: thunder.tang@hotmail.com
Address: Sunshine 100, Yue Lu District, Changsha, Hunan, China
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