Discovery leads and human-reviewed profiles are clearly separated below. Candidate records are research starting points, not endorsements.
State-owned heritage enterprise producing standard GB fasteners since 1958, including hex bolts, square nuts, and machine screws. Maintains full traceability for raw material batches and dimensional compliance per GB/T 3098.1–2019 and GB/T 5782–2016.
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 2026Manufacturer of precision hand tools including socket wrenches, hex keys, needle-nose pliers, ball-peen hammers, and compact mechanic's sets. Emphasizes alloy steel selection, controlled heat treatment, and dimensional accuracy per ISO standards.
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 2026Integrated manufacturer offering hand tools alongside power tools, including combination wrenches, long-nose pliers, dead-blow hammers, and hybrid tool sets. Applies forging, machining, and surface treatment aligned with GB/T and ISO quality systems.
1 evidence items · Updated 01 Sep 2026State-affiliated producer of industrial abrasive cloth, paper, and belts using aluminum oxide and silicon carbide. Supplies heavy-duty applications in shipbuilding, power generation, and structural steel. Certified to ISO 9001 and GB/T 19001.
1 evidence items · Updated 01 Sep 2026Leading producer of submersible sewage pumps, slurry pumps, and vertical turbine pumps for municipal wastewater, mining, and construction dewatering. Certified to ISO 9001 and GB/T 5657. Exports to Southeast Asia, Africa, and Latin America with CE and UL listings on select models.
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 2026Specialized in high-efficiency, energy-saving centrifugal pumps for thermal power, coal chemical, and metallurgical industries. Manufactures multi-stage boiler feed pumps, circulating water pumps, and desulfurization slurry pumps. Certified to ISO 5199, GB/T 5656, and ISO 14001.
1 evidence items · Updated 01 Sep 2026Manufacturer of horizontal and vertical multistage centrifugal pumps for building services, HVAC, and industrial process applications. Products comply with ISO 9906 Grade 2, GB/T 5657, and CE standards. Offers integrated variable frequency drives and smart monitoring interfaces.
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 2026A leading Chinese manufacturer of low-voltage electrical equipment, including circuit breakers, contactors, relays, and distribution boxes. Produces certified industrial connectors and electrical accessories for power distribution, automation, and building systems. Complies with GB, IEC, and UL standards.
1 evidence items · Updated 01 Sep 2026SOE-affiliated manufacturer of low-voltage switchgear, including air circuit breakers, molded case circuit breakers, contactors, and busbar accessories. Produces high-reliability electrical components for power plants and substations under GB/T 14048 and IEC 60947 standards.
1 evidence items · Updated 01 Sep 2026Tier-1 automotive supplier specializing in aluminum die-castings, machined structural parts, and assemblies for electric vehicles. Clients include Tesla, BMW, and GM; certified to IATF 16949 and ISO 14001.
1 evidence items · Updated 01 Sep 2026