Shanghai Zhonglong Hydraulic Machinery Co. , Ltd is one of the leading Oil Filters, Air Filters, Fuel Filters, Hydraulic Filters and Filter Materials exporter in China.Our company assembles one high-quality talent persons in hydraulic field.We apply advanced production technology in techniques and use the imported raw material to assure the high-quality products.We have passed ISO9001: 2000 Certification.And enjoy a high reputation as regular suppliers to over 30 countries and regions for excellent quality and reasonable price!Welcome to visit us! You are also kindly requested to go to our website:***** and welcome to contact us on any item on our website. OEM project are welcome and we are in a position to meet your other needs.Your kind comments will be highly appreciated and your inquiries will be answered within one working day!Catalogues are available upon request.