Dalian Zhongao Internation Co.,Ltd. is a professional chemical and UCO manufacturer and exporter, which was established in 2006,located in Dalian city, Liaoning province, China.We have more than 5 hundred excellent staffs and four factories on large scale.A large number of these products have been exported to Europe, South Asia, and Middle East, South America and other countries and regions. The products have received much good reputation.Dalian Zhongao Internation Co.,Ltd. has passed ISO9001:2000 international standard quality management system certification and got BBC certificate. In the purposes of “quality first, on the customer, integrity management", the company has established commerce relationship with customers throughout the world.
