Qingdao Kerun Biotechnology Co., Ltd. was founded in 2000. Located in the north of beautiful Qingdao city, Qingdao Kerun Biotechnology Co., Ltd. is?a comprehensive researching, developing, manufacturing and trading enterprise. We now mainly produce all kinds of environment-friendly textile auxiliaries, and printing & dyeing auxiliaries, with an annual output of more than 20,000 tons; especially, we are a leading enterprise of China in the fields of special functional auxiliary (such as brightene...