Discovery leads and human-reviewed profiles are clearly separated below. Candidate records are research starting points, not endorsements.
Bearing group founded in 1938 with ZWZ and KRW brands, publishing more than 20,000 specifications for industrial equipment, rail, automotive, wind-energy and specialised applications.
1 evidence items · Updated 01 Sep 2026State-affiliated bearing manufacturer established in 1950, producing general and precision rolling bearings for railways, construction machinery, agricultural equipment, and electric motors. Maintains national-level bearing testing center and holds CRCC certification for rail applications.
1 evidence items · Updated 01 Sep 2026Produces carbon steel and alloy steel fasteners including hex cap screws, carriage bolts, and U-bolts for automotive, agricultural, and infrastructure use. Maintains in-house thread rolling, heat treatment, and zinc-nickel plating lines compliant with ISO 4042 and ASTM B633.
1 evidence items · Updated 01 Sep 2026Specialized producer of forged hand tools including open-end wrenches, crescent wrenches, diagonal cutting pliers, framing hammers, and general-purpose tool kits. Employs traditional drop-forging techniques combined with modern quality control systems.
1 evidence items · Updated 01 Sep 2026A publicly listed subsidiary of China National Machinery Industry Corporation (Sinomach), specializing in high-precision bearings, spindle units, and linear motion components for CNC machine tools, aerospace, and robotics. Holds CNAS-accredited lab and multiple national technology center certifications.
1 evidence items · Updated 01 Sep 2026One of China's largest private bearing manufacturers, producing deep groove ball bearings, tapered roller bearings, and linear guide rails for automotive, home appliances, and industrial automation. Owns multiple ISO/TS-certified production bases and a national enterprise technology center.
1 evidence items · Updated 01 Sep 2026Publicly traded manufacturer focused on precision steel balls for bearings, linear guides, and ball screws. Supplies Tier-1 global bearing makers. Certified to ISO 9001, IATF 16949, and ISO 14001. Operates fully automated cold heading, heat treatment, and superfinishing lines.
1 evidence items · Updated 01 Sep 2026Public company manufacturing tapered roller bearings, spherical roller bearings, and linear motion modules. Serves automotive, HVAC, and industrial automation sectors. Owns German subsidiary FST and holds IATF 16949, ISO 14001, and ISO 45001 certifications.
1 evidence items · Updated 01 Sep 2026Specialized manufacturer of precision ball screws, linear guides, and rotary tables for CNC machine tools and semiconductor equipment. Certified under ISO 9001 and ISO 14001. Operates dedicated cleanroom assembly for high-accuracy positioning components.
1 evidence items · Updated 01 Sep 2026Publicly listed bearing manufacturer producing deep groove ball bearings, cylindrical roller bearings, and linear motion systems for wind power, rail transit, and industrial drives. Holds national high-tech enterprise status and operates multiple provincial engineering centers.
1 evidence items · Updated 01 Sep 2026State-invested manufacturer of needle roller bearings, cam followers, and linear bushings for automotive chassis, motorcycles, and agricultural machinery. Certified under IATF 16949 and ISO 14001. Features proprietary sintering and heat treatment processes for high-density components.
1 evidence items · Updated 01 Sep 2026Public company with bearing-related precision mechanical components division; manufactures miniature linear guides and custom transmission parts for medical devices and optical instruments. Focuses on micro-precision machining and surface treatment technologies.
1 evidence items · Updated 01 Sep 2026