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Bader Chemical (Shandong) Co., Ltd., a subsidiary of Olelon Chemicals, is a modern, comprehensive chemical enterprise integrating R&D, production, sales, and service. We specialize in the development, production, and sales of nitrate series products, which are widely used in the chemical, agricultural, electronic, and other industries.
Olelon Group (HK) Holding Limited is an enterprise in the Chinese chemical industry.
Our group includes the following companies:
  • Olelon Chemicals (Qingdao) Co., Ltd. – Head Office, including trading business.
  • Bader Chemical (Shandong) Co., Ltd. – Factory of Nitrate Salts.
  • Shandong Watson Ecological Fertilizer Co., Ltd. – Factory of Potassium Sulphate and various fertilizers.

Located in the Weifang Binhai Marine Chemical Park in Shandong, our factory is just a 10-minute drive from the Wei-Ri Expressway interchange. Key ports such as Shouguang Port and Weifang Port are within a 30-minute drive, while major northern ports including Yantai Port, Qingdao Port, and Tianjin Port are within a 300-kilometer, offering significant logistical advantages and convenient transportation.
The Phase I project, completed and operational in June 2025, represents a total investment of 200 million RMB. It includes one production line with an annual designed capacity of:
-80,000 tons of Potassium Nitrate
-10,000 tons of Calcium Nitrate
-30,000 tons of Magnesium Nitrate
-100,000 tons of Macro-element Water-soluble Fertilizer
The production process involves neutralizing and double decomposition reactions using nitric acid, potassium chloride, and magnesium oxide, followed by filtration, cooling crystallization, centrifugation, and drying to produce potassium nitrate.
The Phase II project is planned with an investment of 300 million RMB and a designed capacity of:
-100,000 tons of Nitric Acid (100% basis)
-100,000 tons of Potassium Nitrate
All our production lines employ a fully automated DCS (Distributed Control System) for continuous operation. Pioneering in the industry, we utilize continuous reactor technology and patented continuous vacuum Oslo crystallizer technology. This advanced approach ensures technical leadership, environmental efficiency, and product diversification. It significantly improves lithium-ion recovery, reduces raw material consumption, lowers production costs, achieves zero wastewater discharge, and minimizes energy consumption, aligning with the green upgrade trend in the fertilizer industry.
Looking ahead, Olelon Chemicals remains committed to the philosophy of "Innovation Leads Green Chemistry, Dedication Builds Reliable Quality." We aim to go "one meter wide, one kilometer deep" in the nitrate chemical sector, perfecting the nitrate industry chain and establishing Olelon as a trustworthy and reliable brand for all partners.

In addition to our Shandong production base, Olelon Group’s head office is located in Qingdao, overseeing all export sales and international business operations.

Why Choose Us

 Pioneering continuous reaction and crystallization technology to reduce your procurement costs.
Full-process automated control via DCS to eliminate batch-to-batch quality fluctuations.
 Flexible customization and sample support to mitigate decision-making risks.
Globally validated supply chain delivery capabilities across multiple countries.
Olelon Chemicals is a modern, comprehensive chemical enterprise integrating R&D, production, sales, and service. We specialize in the development and production of nitrate series products, which are widely used in the chemical, agricultural, electronic, and other industries.

CONTACT US

 Tel: +86-157-6423-6072
 WhatsApp: +8615764236072
Add: Room 405,4th Floor,Fudu Mansion,No.8 Nanjing Road,Shinan District,Qingdao,Shandong,China

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