Slewing Bearing/Ring/Circle for Excavator JOHN DEERE, KOBELCO, KOMATSU Why You Need LDB! 1. The company has more than 50 senior engineers, mechanicaltechnicians, and assistant tech-nicians, accounting for 29% of the total wokeforce; The company specializes in designing and developing of new, high precision, advanced bearing products and processing methods ofinnova-tion and improvement, proficient in grinding equipment design, production, optimized and impro-ved. 2. All LDB products meet or exceed ISO standards and tolerances. 3. LDB produces standard and custom slewing bearings and rollering bearing. We also produce custom bearings designed for your special needs. LDB Mainly Products Range: 1: Deep groove ball bearing 2: Cylindrical roller bearing 3: Taper roller bearing 4: Thrust ball/roller bearing 5: Angular contact ball bearing 6. Self-aligning ball/roller bearing 7. Slewing bearing 8. Split bearing 9. Rolling mill bearing Quality Control: Our company inspecter will check the products one by one before we sent it out, and we can also follow customers' special requests to control the quality. We have got little feedback of quality issue from customers these years. So please rest assure. ISO 9001: 2000 Our products earn a good reputation among our customers. We welcome customers, business associations and friends from all of the world to contact with us and seek cooperation for mutual benefits.