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On August 21, 2021, accompanied by a cool breeze and pouring rain, the construction site of calcium propionate technical transformation project in tongtaivirun plant area was full of machines roaring, vehicles shuttling, erecting, hoisting, laying and installation. In order to speed up the construction progress and install the equipment as soon as possible, they were wearing raincoats and working in the rain.

The focus of this technical transformation project is to upgrade the process and equipment of calcium propionate, sodium propionate and sodium benzoate. The project adopts domestic advanced process and equipment to realize dust-free and energy-saving production, improve the product safety system, improve the product quality and increase the efficiency of products.

In recent years, tongtaivirun has vigorously promoted technological progress and industrial upgrading, improved productivity through scientific and technological innovation, adhered to independent innovation, continuously improved technology in production, focused on key work such as technological transformation investment and technological innovation, and widely adopted advanced, mature and applicable new processes, new technologies and new equipment in the food additive industry and related technical fields at home and abroad New materials ensure the advanced nature and applicability of the technical transformation.

In the past two years, the company has successively completed the intelligent technology transformation project of food additive interconnected factory, benzoic acid purification technology transformation project, calcium propionate dust-free energy-saving granulation and packaging technology transformation project, sodium benzoate workshop dust-free technology transformation and calcium propionate continuous automatic production line technology transformation project, and the technical transformation results have gradually appeared. In the process of technological transformation, the company has successively obtained 6 national invention patents, 17 utility model patents, 6 design patents, 5 computer software copyrights and 5 product standards. All the above achievements have been transformed and the competitiveness of products in the market has been improved.