Discovery leads and human-reviewed profiles are clearly separated below. Candidate records are research starting points, not endorsements.
A hardware-tool company founded in 1984 whose official site describes an integrated R&D, manufacturing, sales and service model. The published range emphasizes measuring and professional hand tools for industrial users.
1 evidence items · Updated 01 Sep 2026Publicly listed valve manufacturer focusing on intelligent control valves, electric actuators, and water utility solutions. Produces butterfly, gate, and knife gate valves for municipal water supply, drainage, and irrigation. Complies with GB/T 12238, ISO 5211, and WRAS standards.
1 evidence items · Updated 01 Sep 2026Manufactures high-strength fasteners for wind turbine towers and transmission towers, including M36–M100 anchor bolts, flange connection bolts, and hot-dip galvanized structural assemblies. Certified to ISO 10485 and EN 15048 for non-preloaded connections.
1 evidence items · Updated 01 Sep 2026Exports-oriented producer of precision metric and inch fasteners including socket head cap screws, grub screws, and fine-pitch bolts. Complies with ISO 898-1, ASME B18.3, and RoHS; maintains ISO/IEC 17025-accredited lab for mechanical property verification.
1 evidence items · Updated 01 Sep 2026Automotive-focused toolmaker producing specialized hand tools including torque-limiting wrenches, spark plug socket sets, valve spring compressors, and precision mechanic's kits. Applies CNC machining and calibration for automotive service applications.
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 2026State-affiliated R&D and manufacturing entity focused on large-scale, high-parameter centrifugal pumps for nuclear island auxiliary systems, ultra-supercritical power plants, and LNG terminals. Develops pumps meeting ASME, RCC-M, and GB/T 13007 standards.
1 evidence items · Updated 01 Sep 2026