DUOYI INTERNATIONAL LIMITED is a general industrial company with its headquarter located in Hong Kong and have a branch companies in Mainland China.
Our Mainland head office -SHIJIAZHUANG JISHENG CO.,LTD is a leading manufacturer and exporter of various kinds of chemicals in China ,
Management system in accordance with ISO9001:2000 has been set up, and will keep improving continually. Has been producing tens of export-oriented chemical products in our wholly-owned factories and joint ventures.which has a factory produced Zinc chloride ,Double salts zinc ammonium chloride,zeolite 4A.
very strong in supplying all kinds of raw material for detergent,raw material for drycells,food ingredients etc.
Have stable and strongly growing businesses in South and Central America, africa, East Asia,south asia.Our active and professional staffs guarantee each and every customer of Quality and Stability in every product.Our business is service of Efficiency, Honesty and Circumspection, we want to be of service to you.