Since its establishment in 1997, Qingdao HNA Oilfield Equipment Manufacturing Co., Ltd. Has been on a remarkable journey. Initially, a small but passionate team, we were dedicated to the oil and gas equipment manufacturing.

Wanda Slewing Bearing Co., Ltd. is a professional manufacturer and exporter of slewing bearing, slewing drives, which are mainly applied in port machinery, mining machinery, welding machinery, construction vehicles, modular vehicles, single or dual axis solar tracking systems, and small wind power systems etc.

Shandong Hongye Precision Bearing Co., Ltd was founded by Hebei Defa bearing manufacturing Co., Ltd., located in Hebei province. We are a bearing manufacturer integrating the research, development and sales of bearings, with a floor area of 18, 000 square meters and a plant area of 8, 800 square meters. Equipped with modern production equipment and advanced detection instruments, Our own Brand "JDZ". Specializing in designing and manufacturing various types of bearings including tapered roller bearings, deep groove ball bearings, spherical insert bearings, angular contact ball bearings, thrust ball bearings, wheel hub bearing, Universal Joint bearing, self-aligning ball bearings as well as plastic bearings, ceramic bearing and so on. We could also provide OEM service according to our customers' requirements.