Ji Shi
Company Background
Shandong Costone Pharmaceutical Technology Co., Ltd. was established in February 2017. Its predecessor was Qingdao Jinrui Hongda Trading Co., Ltd., which was registered and established in 2015, mainly engaged in the export trade of fertilizer products.
Best Sign Asia Chemical Pte Ltd. is Letongxiang’s overseas entity. After 10 years of development, the company has become one of the top three traders in China for ammonium sulfate, urea, ammonium chloride, and DAP.
Shandong Costone Pharmaceutical Technology Co., Ltd. is a modern enterprise specialized in the production and sales of food additives, pharmaceutical excipients, and electronic-grade products. It has developed a product system primarily consisting of food-grade potassium chloride, ammonium sulfate, magnesium sulfate, aluminum sulfate, sodium citrate, potassium citrate, as well as mineral elements such as iron, zinc, magnesium, manganese, and copper, supplemented by pharmaceutical-grade and reagent-grade products.
Company Major Business Segment Strategy
Corporate environment
The company has a building area of 15,000 square meters, uses a domestically leading process with independent intellectual property rights, and is equipped with advanced physical and chemical product testing instruments and laboratories. It has two production lines and has passed ISO9001, ISO22000 quality management systems, and food safety management system certifications, as well as HACCP food safety system certification, completed HALAL certification, and GMP pharmaceutical excipient registration.
Qualification Certificate
Business Scope
Mainly engaged in the research, development, and production of food-grade potassium chloride, ammonium sulfate, magnesium sulfate, aluminum sulfate, sodium citrate, and other food additives
Research and develop pharmaceutical excipients and reagent-grade products, applicable to the pharmaceutical, biopharmaceutical, and reagent industries.
Research and develop electronic-grade products, applied in display screens and the semiconductor industry
