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EDITORIAL VISUALJiaxing, 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
EDITORIAL VISUALJiashan, 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 03NGNingbo, Zhejiang · HUMAN-REVIEWED PUBLIC SOURCESNingbo Great Wall Precision Industrial Co., Ltd.
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.
tape measureslevelstorque toolsscrewdrivers
1 evidence items · Updated 01 Sep 2026 04
EDITORIAL VISUALChina · 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 05ZHChina · 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 06GSChina · 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 07HHChina · 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 08CSChina · 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 09SGChina · 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 10ATChina · exact location under review · DISCOVERY CANDIDATE · REVIEW PENDINGAnhui Topler Automotive Technology Co., Ltd.
Automotive-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.
torque-limiting wrenchesspark plug socket setsvalve spring compressorsprecision mechanic's kits
1 evidence items · Updated 01 Sep 2026