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Tianjin DSR Bearing Co.,ltd. Is a professional manufacturer of bearings, all kinds of rollers , with more than 15 years experience.
Our factory is located in Shandong and our export office is in Tianjin. Our mainly products are ball bearings, roller bearings, wheel hub bearings etc. We provide OEM and customize service. And also we are the agent of world famous brands: SKF NSK NTN KOYO NACHI FAG INA IKO NMB and so on.
After years of development, our company has formed a set of effective and cooperative management models and our business philosophy. "Consider More From the Customer's Aspect" is our service principle. As a qualified domestic & international trading company, our products are comprehensive and abundant.They are widely used in metallurgy, mining, petroleum, machinery, electric power, paper, grass and other fields. We sincerely hope that there will be more customers from different places to cooperate with our company, and we will provide top service.
We are very confident in our products, and we are sure that we can earn your trust!

The TRANSVITEK company is a dynamically developing enterprise, a successful Slavic company operating in the territory of the former USSR, occupying a leading position in the world market for the sale of original spare parts for agricultural, industrial and road construction equipment. The company was founded in 1998. And for more than 20 years our company has been engaged in export-import operations in the field of material and technical support of enterprises.

More than 86 years of tradition and innovation have made ASKUBAL a high-profile brand. Now in its fourth generation, the owner-run family company ASK Kugellagerfabrik Artur Seyfert GmbH is ideally equipped to face the future.
Our corporate philosophy rests on three pillars:
high-quality products
meeting custom requirements
rapid, worldwide distribution
We claim to achieve peak performance in all areas. Our production is flexible. This permits an output of over 6000 standard versions, plus special components made to order and just-in-time production.
Our product lines include exclusively branded products as Askubal rod ends and spherical plain bearings, ASK bearings, ASK cam followers, ASK housing units, ASK shaft-hub connections, ASK steel balls of high quality which support you reliable. Brand quality of ASK gives you safeness and an essential advantage for your product concept.
This success is founded on our Development Department’s decades of experience, in close co-operation with national research institutions.
Personal and environmental safety are always priorities for us. We seek to hand on a viable and environmentally and socially responsible business, in the best possible shape, to future generations.

Luoyang Bearing Research Institute Co., Ltd. is a high-tech enterprise specializing in the development of "high-rank, precise, advanced, unique, special" bearing products for the key units in various fields of national economic construction. Its predecessor, Luoyang Bearing Research Institute, was established in 1958. It is the only state-level comprehensive research institute in China's bearing industry. In 1999, it entered China National Machinery Industry Group Co., Ltd. and transformed into a science and technology enterprise.
We focus on developing high-performance bearing products for key units of national economic construction. We perform batch production of various high-rank bearing products and components with inner diameter of 0.6mm to outer diameter of 6.8m. We are mainly engaged in the research, development, production and sales of precision bearing, special bearing, high-speed machine tool spindle, bearing special equipment, bearing testing instruments, bearing testing machine and bearing special materials, which are widely used in the fields of aerospace, machine tools, wind power generation, mine metallurgy, petrochemical, medical equipment, automobiles and rail transit, construction machinery, intelligent manufacturing services, etc.

Shandong Hongzhiyun Bearing Co.,Ltd is a professional export bearing and other industrial products. We have our own brand WQA.
Our production capacity is about eighteen million sets annually and the main products are single-row and double-row tapered roller bearings, double row angular contacting ball bearings, the second, third and fourth generation automobile wheel hub units etc, more than 800 types. The products are widely used in automobiles, trucks, passenger cars, trailers, construction machinery, industrial gearbox, machinery principal axis, conveys of mine equipment and agricultural machinery etc.