Discovery leads and human-reviewed profiles are clearly separated below. Candidate records are research starting points, not endorsements.
Exports-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 2026A publicly listed Chinese manufacturer specializing in high-end industrial valves for nuclear power, metallurgy, and petrochemical industries. Produces gate, globe, check, and butterfly valves with nuclear-grade qualification and ASME B16.34 certification. Serves domestic EPC contractors and international engineering projects.
1 evidence items · Updated 01 Sep 2026State-owned enterprise under China National Nuclear Corporation, manufacturing nuclear safety-classified valves, control valves, and special-purpose valves for nuclear power plants. Certified to RCC-M, ASME Section III, and ISO 9001. Supplies valves for CPR1000, CAP1400, and Hualong One reactor projects.
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