Which brand of sodium fluoride is good?

Sodium fluoride brands: Guangzhou Sanchang Chemical Co., Ltd., Zhengzhou Yuan Ze Chemical Co., Ltd., Jinan Yingchu Chemical Technology Co., Ltd., Hubei Xinrunde Chemical Co., Ltd. and Jinan Haobang Chemical Co., Ltd.

1. Guangzhou Sanchang Chemical Co., Ltd.: The registered address is located at Room 206, Block B, Guangzhou Chemical City, Puxing Road, Dongpu, Tianhe District, Guangzhou. The registered place is Guangzhou Tianhe District Administration for Industry and Commerce, and the legal representative is Xiong Zhihao. The business scope includes the wholesale trade of commodities (except those that need permission and approval); Retail trade of commodities (except licensed and approved commodities); Wholesale of chemical products (except dangerous chemicals).

2. Zhengzhou Yuan Ze Chemical Co., Ltd.: The registered address is located at No.65438, Building 2, Zhengdong New District 1 No. The registration authority is Zhengdong New District Branch of Zhengzhou Municipal Market Supervision Administration, and the legal representative is Tian Zengyuan. Its business scope includes chemical products (except inflammable, explosive and dangerous chemicals), hardware and building materials (No.

3. Jinan Yingchu Chemical Technology Co., Ltd.: The registered address is No.249, Floor 2, Jinan New Materials Trading Center, tianqiao district, Jinan, Shandong. The registered place is Jinan tianqiao district Market Supervision Administration, and the legal representative is Sun Biao. The business scope includes the operation without storage facilities: 2- aminophenol, 3- aminophenol, 4- aminophenol, sulfamic acid and ammonia solution [containing ammonia > 10%].

4. Hubei Xinrunde Chemical Co., Ltd.: The registered address is located at Room 31/Building 2, No.52 Changhudi Village, Xincun Street, Jiang 'an District, Wuhan. The registration authority is Wuhan Jiang 'an District Market Supervision Administration, and the legal representative is Xiang. Its business scope includes chemical products (excluding dangerous chemicals). Research and development of biomedical technology; Sales of food additives; Import and export of goods or technology.

5. Jinan Haobang Chemical Co., Ltd.: The registered address is No.254, Floor 2, Jinan New Materials Trading Center, tianqiao district, Jinan City, Shandong Province. The registered place is Jinan tianqiao district Market Supervision Administration, and the legal representative is Yang Yueguo. Business scope includes operation without storage facilities: sodium hydroxide, potassium hydroxide, barium chloride, sodium fluorosilicate, sodium sulfide, sodium hydrosulfide and sodium methoxide.