About Us

Tangshan Fengshi Chemical Co., Ltd. has precisely controlled the quality of sodium hydrosulfide products, enabling all the indicators of its products to reach a relatively high level among similar products at home and abroad. The output of 68,000 tons of 70% flake sodium sulfide and 80,000 tons of 60% flake sodium sulfide ranks the top in the industry.

As a subsidiary environmental protection enterprise of the chemical fiber company's waste gas recycling, the company is a circular economy， energy-saving and environmental protection enterprise that is supported by the state. All waste gas and wastewater are strictly treated and meet the standards before being collected into the recycling system for centralized treatment. The company enjoys the environmental protection white list treatment and can achieve continuous and stable production throughout the year.

The company's raw materials come from the hydrogen sulfide gas released during the production of chemical fiber viscose fiber, which is then absorbed by the high-quality caustic soda solution of Sanyou Chlor-Alkali Company and refined into high-quality sodium hydrosulfide solution using advanced scientific and technological methods to ensure the high purity and stability of the product.

The company has passed ISO9001 quality management system, ISO14001 environmental management system and ISO45001 occupational health and safety management system certification, fully guaranteeing product quality, environmental protection and employee safety.

Tangshan Fengshi Chemical Co., Ltd. has established long-term and stable cooperative relations with many well-known domestic and international companies, including:

For many years, we have supplied sodium hydrosulfide and sodium sulfide to Zijin Mining's subsidiaries such as the Musonoyi Mining in the Democratic Republic of the Congo (DRC), Heilongjiang Duobaoshan, Jilin Zijin Copper, etc.

As a major supplier of China National Gold Group, we provide high-quality products to China National Gold Group's Inner Mongolia Mining, Tibet Huatailong Mining, Liaoning Tianli Gold, Guizhou Jinfeng Mining, etc., and have won the title of "Excellent Service Provider" many times.

Provide sodium hydrosulfide to internationally renowned companies such as Huacon Mining in the Democratic Republic of the Congo, China Molybdenum Group's TFM project in the Democratic Republic of the Congo, Chile's National Copper Corporation, BHP Billiton, Anglo American plc, and Anfa Mining Group.

At the same time, many trading companies cooperate with our company to provide our products to many customers in Indonesia, Australia, Brazil, South Africa and other countries and regions , and have won unanimous praise from the industry.