we could provide propolis 5 tons/month. our customers are from EU, AUSTRILIA, NEW ZEALAND and so on.
Propolis is rich in the human body needs flavonoids, terpenoids, vitamins, trace elements and other important components, with a wide range of biological effects and the strong physiological functions, is rare in nature, can significantly improve the quality of life of the natural material .The heavy metal and pesticide residues of our refined propolis is lower than the national standard,can reach EU standard.
ZHENGZHOU KNOWNCHEM IMP. AND EXP. CO., LTD as the subsidiary company of State-owned group belong to attach government enterprise, Founded in 1986 with ISO9001-2008 international quality certification .
Our company is a manufacturer and trader specialized in the research, development and production of machinery equipment.
With a wide range of junior and senior engineers and professional R&D, design and manufacture of innovative high-tech enterprises. The company has a mature technology, ... View detail