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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 04SGChina · 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 05NJChina · 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 06
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 07ZHChina · 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 08GSChina · 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 09HHChina · 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 10CSChina · 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 11DPChina · 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 12ZGChina · 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 13ATChina · 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 14SBChina · exact location under review · DISCOVERY CANDIDATE · REVIEW PENDINGShandong Bot Precision Co., Ltd.
Specialized manufacturer of precision ball screws, linear guides, and rotary tables for CNC machine tools and semiconductor equipment. Certified under ISO 9001 and ISO 14001. Operates dedicated cleanroom assembly for high-accuracy positioning components.
ball screwslinear guidesrotary tablesprecision positioning modules
1 evidence items · Updated 01 Sep 2026 15SGChina · exact location under review · DISCOVERY CANDIDATE · REVIEW PENDINGShanghai Guanlong Valve & Energy Saving Equipment Co., Ltd.
Publicly 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.
Intelligent electric butterfly valvesLarge-diameter wafer butterfly valvesKnife gate valves for sludgeWater utility actuated gate valves
1 evidence items · Updated 01 Sep 2026 16
EDITORIAL VISUALChina · 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