Dear Sirs, Very glad to contact you. LDK Bearings Inc.(Deyuan Bearing Factory) is an ISO9001 certified manufacturer of various range of pillow block bearings and housings. Our products are exported worldwide and LDK(our brand)enjoys good reputation for its good quality. Our main products are: ** Thermoplastic bearing housings ** Stainless steel bearing units ** Cast-iron pillow blocks ** Linear Bearings. ** Silver Seires(UP/FL000-006) ** Plummer blocks ** Spherical plain bearings ** Rod-ends ** Stainless steel deep groove ball bearings. Please browse for more product information and send your enquiry in details. Thanks&Best Regards Ms.Grace Song