Yantai Development Area Qushida Chemical Industry Co., Ltd. is a special manufacturer of flexible composite hoses. Our hoses are mainly used for chemical liquid transportation. Our products adopt new materials, new technology and new craftwork. The tube frames are made of rolling steel wires and macromolecule polymeric materials. Our hoses have many good characteristics, such as oil-resistant, acid-alkali resistant, high-temperature resistant, light, flexible and convenient for operation. They are mainly used in the following domains: petroleum extraction, petroleum refining, medicine...