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Jiaxing, Zhejiang · HUMAN-REVIEWED PUBLIC SOURCESTong Ming Enterprise Co., Ltd.
Founded in Jiaxing in 1995 as the mainland manufacturing operation of TONG Group, Tong Ming produces THE/TONG branded stainless-steel fasteners and precision wire. Its public product range includes bolts, machine screws, socket screws, self-tapping screws, rivet nuts, threaded rods, washers and retaining rings for industrial and construction applications.
stainless steel boltsstainless steel nutsmachine and socket screwsself-tapping and drilling screws
1 evidence items · Updated 01 Sep 2026 02
Jiashan, Zhejiang · HUMAN-REVIEWED PUBLIC SOURCESGem-Year Industrial Co., Ltd.
Shanghai-listed manufacturer in Jiashan producing standard and special fasteners, precision wire, railway fastening systems, carbide dies and related industrial products.
boltsnutsscrewsprecision wire
1 evidence items · Updated 01 Sep 2026 03HHChina · exact location under review · DISCOVERY CANDIDATE · REVIEW PENDINGHebei Helipu Fasteners Manufacturing Co., Ltd.
Produces 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.
hex cap screwscarriage boltsU-boltsgrade 8.8 bolts
1 evidence items · Updated 01 Sep 2026 04CSChina · exact location under review · DISCOVERY CANDIDATE · REVIEW PENDINGChangshu Standard Fasteners Factory Co., Ltd.
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.
GB hex boltssquare nutsmachine screwsset screws
1 evidence items · Updated 01 Sep 2026 05SDChina · exact location under review · DISCOVERY CANDIDATE · REVIEW PENDINGShanghai Dite Precision Fasteners Co., Ltd.
Manufacturer of precision-engineered fasteners including self-locking nuts, prevailing torque nuts, and aerospace-grade bolts. Complies with NAS, MS, and GJB standards. Supplies to aviation, rail, and wind power sectors with certified heat treatment and testing capabilities.
prevailing torque nutsself-locking nutsaerospace boltshigh-tensile studs
1 evidence items · Updated 01 Sep 2026 06ZHChina · exact location under review · DISCOVERY CANDIDATE · REVIEW PENDINGZhejiang High Strength Fasteners Co., Ltd.
Specializes 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.
ASTM A325 boltsanchor rodswedge anchorsheavy-duty nuts
1 evidence items · Updated 01 Sep 2026 07GSChina · exact location under review · DISCOVERY CANDIDATE · REVIEW PENDINGGuangdong Songke Fastener New Materials Co., Ltd.
Focuses on stainless steel and corrosion-resistant fasteners including marine-grade screws, duplex bolts, and non-magnetic fasteners. Offers custom alloy formulations (e.g., SUS316L, UNS S32205) and surface finishes such as passivation and electropolishing for medical and offshore applications.
marine screwsduplex boltsnon-magnetic fastenersSUS316L nuts
1 evidence items · Updated 01 Sep 2026 08SGChina · exact location under review · DISCOVERY CANDIDATE · REVIEW PENDINGShandong Gaoqiang Fasteners Co., Ltd.
Manufactures 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.
wind tower anchor boltsflange boltshot-dip galvanized assemblieslarge diameter studs
1 evidence items · Updated 01 Sep 2026 09NJChina · exact location under review · DISCOVERY CANDIDATE · REVIEW PENDINGNingbo Jiulong Fasteners Manufacturing Co., Ltd.
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.
socket head cap screwsgrub screwsfine-pitch boltsalloy steel screws
1 evidence items · Updated 01 Sep 2026 10DPChina · exact location under review · DISCOVERY CANDIDATE · REVIEW PENDINGDongtai Precision Hardware Co., Ltd.
Specializes in high-precision forged and machined architectural hardware, including stainless steel door handles, flush bolts, and concealed latches. Supplies OEM partners globally; certified to ISO 9001 and EN 1634-1 for fire resistance.
stainless steel handlesflush boltsconcealed latchesdoor stops
1 evidence items · Updated 01 Sep 2026 11ZGChina · exact location under review · DISCOVERY CANDIDATE · REVIEW PENDINGZhongli Group Co., Ltd.
Major producer of mechanical and electronic door locks, deadbolts, and access control hardware for residential and commercial use. Manufactures using zinc alloy die casting, machining, and electroplating; certified to ISO 9001, CE, and ANSI/BHMA standards.
deadboltselectronic lockskeyed entry setsexit devices
1 evidence items · Updated 01 Sep 2026 12NGChina · exact location under review · DISCOVERY CANDIDATE · REVIEW PENDINGNingbo Great Wall Precision Industry Co., Ltd.
Manufacturer 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.
socket wrencheshex keysneedle-nose pliersball-peen hammers
1 evidence items · Updated 01 Sep 2026 13CMChina · exact location under review · DISCOVERY CANDIDATE · REVIEW PENDINGChina Manufacturer Candidate 004
Primarily known for packaging machinery, but manufactures specialized fasteners for can-making equipment including custom-designed bolts, retaining rings, and threaded components used in high-speed can lines. Supplies global beverage can producers.
can-making machine boltsretaining ringscustom threaded componentswear-resistant fasteners
1 evidence items · Updated 01 Sep 2026