Qingdao kexin materials and technology co.,ltd. is located in beautiful Qingdao, which is called sailing boat city of China and has advantaged geographical position and unlimited fascination. The advantages of university and talents in Qingdao lay firm foundation for our company to achieve our philosophy "science brings up future" . With our own import and export right, the company has been devoting to the exploit and promotion in home and abroad market of chemical products, such as azo i...