Qingdao Oasis Sino Trading Co., Ltd is a professional supplier for all kinds of choline chloride in China, we have two big invested cooperated factories in Shandong province, Hebei province with annual output 80,000 Metric Tons.



Up to now we have exported our choline chloride to more than 10 countries, all our customers satisfy our quality, service and price , we always follow the business tenet Honesty Promise in our each business and make a good relationship with our all ...