Discovery leads and human-reviewed profiles are clearly separated below. Candidate records are research starting points, not endorsements.
State-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 2026Specializes in high-strength fasteners for construction and energy sectors, including ASTM A325/A490 structural bolts, anchor rods, and wedge anchors. Certified to ISO 9001 and ISO 14001; conducts mechanical testing per ASTM F606 and tensile verification.
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 2026Public company producing control valves, ball valves, and actuated valve systems for chemical, pharmaceutical, and fine chemical industries. Offers ANSI Class 150–600, DIN PN16–100, and GOST-compliant products with SIL2 certification and EPDM/PTFE sealing options.
1 evidence items · Updated 01 Sep 2026