Precision Machining
CNC turning, milling, drawing-based parts, and secondary finishing. Use this guide to structure a search—not as engineering or supplier-approval advice.
Products and manufacturing language
Processes
CNC turning↗CNC milling↗Grinding↗Deburring↗Inspection↗Materials
Stainless steelAluminumBrassEngineering plasticsStandards & specifications
ISO 2768Drawing tolerancesMaterial specificationsQuestions worth asking.
Good sourcing begins by making uncertainty explicit.
- Which tolerances are supported by measurement records?
- What is the available machine envelope and spindle capacity?
- How are drawing revisions and nonconformities controlled?
Candidate manufacturer profiles
Demonstration records are fictional and show the future structure only.
Tong 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.
Shanghai 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.
Gem-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.
China 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.
Ningbo 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.
Jiangsu Tongrun Equipment Corp., Ltd.
A publicly listed Chinese manufacturer specializing in hand tools including adjustable wrenches, combination wrenches, pliers, hammers, and tool sets. Produces forged and machined steel tools with heat treatment and surface finishing. Supplies OEM and private label customers globally.
ZHEJIANG JUJING TECHNOLOGY CO., LTD.
Publicly traded manufacturer of professional hand tools including ratcheting wrenches, locking pliers, torque wrenches, hammers, and comprehensive tool kits. Focuses on high-precision forging, CNC machining, and advanced surface coatings for durability and corrosion resistance.
Ningbo 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.
Zhejiang Sanfeng Industrial Co., Ltd.
Manufacturer of consumer and professional hand tools including adjustable wrenches, slip-joint pliers, tack hammers, rubber mallets, and home improvement tool sets. Integrates forging, machining, and finishing in vertically owned facilities.
Jiangsu Jinding Power Tools Co., Ltd.
Integrated manufacturer offering hand tools alongside power tools, including combination wrenches, long-nose pliers, dead-blow hammers, and hybrid tool sets. Applies forging, machining, and surface treatment aligned with GB/T and ISO quality systems.
Anhui 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.
BOSCH Power Tools (Zhejiang) Co., Ltd.
Manufactures cordless and corded power tools including drills, angle grinders, and impact drivers. Produces for Bosch global supply chain under OEM/ODM arrangements. Focuses on precision machining, motor assembly, and final testing of professional-grade tools.
Zhejiang Zhongjian Technology Co., Ltd.
Publicly listed manufacturer of gasoline and battery-powered garden tools: chainsaws, hedge trimmers, brush cutters, and backpack blowers. Owns ISO 9001 and ISO 14001 certifications; operates casting, machining, and final assembly facilities in Yongkang.
Ruiqi Holdings Co., Ltd.
Listed company manufacturing professional electric tools including angle grinders, cut-off machines, and polishers. Operates CNC machining centers and motor production lines. Holds CE, GS, and UL certifications; exports globally under own brand and OEM agreements.
Zhuzhou Cemented Carbide Cutting Tools Co., Ltd.
Established in Zhuzhou in 2002, ZCC Cutting Tools is an integrated research, manufacturing and sales supplier of cemented-carbide cutting tools. Its official range includes indexable inserts and toolholders for turning, milling, boring, drilling, grooving and threading, plus solid-carbide tools and complete tooling systems.
Xiamen Golden Egret Special Alloy Co., Ltd.
Subsidiary of China Minmetals Corporation, manufacturing tungsten carbide cutting tools including indexable inserts, solid carbide end mills, drills, and mining bits. Offers custom tool design and coating services for machining steel, cast iron, and stainless steel.
Shanghai Tool Works Co., Ltd.
State-owned enterprise founded in 1949, producing high-speed steel and carbide twist drills, taps, reamers, broaches, and gear cutters. Focuses on precision tooling for aerospace, power generation, and mold industries. Certified to ISO 9001 and ISO 14001.
Xi'an Sifang CNC Cutting Tools Co., Ltd.
Subsidiary of Shaanxi Nonferrous Metals Group, manufacturing carbide end mills, face mills, shell mills, and turning tools. Emphasizes R&D for high-efficiency milling in aluminum, steel, and titanium alloys. Supplies domestic heavy machinery and rail transit sectors.
Zhejiang Huachen Technology Co., Ltd.
Publicly listed company (SZ: 300809), specializing in carbide-tipped circular saw blades, router bits, and wood/metal combination cutting tools. Serves furniture, door/window, and light metal fabrication markets. Exports to EU, North America, and Southeast Asia.
Chengdu Bangpu Cutting Tools Co., Ltd.
Manufacturer of carbide indexable inserts, turning tools, milling cutters, and drilling tools for general engineering and automotive applications. Features in-house coating lines (TiAlN, AlCrN) and ISO 513-compliant product classification.
China Manufacturer Candidate 038
Specialized manufacturer of HSS and cobalt high-speed steel twist drills, step drills, and core drills for metalworking. Focuses on precision ground geometry and heat-treated hardness (63–66 HRC). Supplies OEMs in machinery and electrical equipment sectors.
Shandong Weida Precision Tools Manufacturing Co., Ltd.
Subsidiary of Weida Heavy Industry (SZ: 002026), producing carbide end mills, ball nose mills, slotting cutters, and micro-drills for die/mold and precision component machining. Supports custom geometries and nano-coating options.
Zhengzhou White Dove Abrasives Co., Ltd.
A state-owned enterprise specializing in bonded abrasives, including vitrified and resin-bonded grinding wheels for metalworking, toolroom, and rail maintenance applications. Produces standard and custom-diameter wheels with ISO 9001 certification. Exports to over 40 countries.
China Manufacturer Candidate 043
Manufactures superabrasive grinding wheels and precision vitrified wheels for bearing, gear, and camshaft grinding. Operates dedicated abrasive division under Shandong Luxin Tianyi Group; certified to ISO 9001 and IATF 16949.
Suzhou Yuanzhi Technology Co., Ltd.
Specializes in high-precision resin-bonded and metal-bonded diamond grinding wheels for optical lens, ceramic, and semiconductor wafer processing. Offers CNC-dressed wheels and application engineering support for ultra-fine surface finishes.
Henan SFD Superhard Material Co., Ltd.
Publicly listed producer of polycrystalline diamond (PCD) and cubic boron nitride (CBN) compacts, inserts, and grinding wheels for precision machining of non-ferrous metals, composites, and hardened steels.
Xiamen Golden Egret Special Alloy Co., Ltd. (Abrasive Tools Division)
Subsidiary of China Minmetals, producing diamond and CBN grinding wheels for aerospace, energy, and precision engineering. Integrates powder metallurgy expertise into metal-bonded wheel design and process control.
Luoyang Bearing Science & Technology Co., Ltd.
A publicly listed subsidiary of China National Machinery Industry Corporation (Sinomach), specializing in high-precision bearings, spindle units, and linear motion components for CNC machine tools, aerospace, and robotics. Holds CNAS-accredited lab and multiple national technology center certifications.
Harbin Bearing Group Co., Ltd.
State-affiliated bearing manufacturer established in 1950, producing general and precision rolling bearings for railways, construction machinery, agricultural equipment, and electric motors. Maintains national-level bearing testing center and holds CRCC certification for rail applications.
Jiangsu Lixing General Steel Ball Co., Ltd.
Publicly traded manufacturer focused on precision steel balls for bearings, linear guides, and ball screws. Supplies Tier-1 global bearing makers. Certified to ISO 9001, IATF 16949, and ISO 14001. Operates fully automated cold heading, heat treatment, and superfinishing lines.
Zhejiang Wuzhou Spring Group Co., Ltd.
Public company manufacturing tapered roller bearings, spherical roller bearings, and linear motion modules. Serves automotive, HVAC, and industrial automation sectors. Owns German subsidiary FST and holds IATF 16949, ISO 14001, and ISO 45001 certifications.
Shandong 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.
China Manufacturer Candidate 058
Public company with bearing-related precision mechanical components division; manufactures miniature linear guides and custom transmission parts for medical devices and optical instruments. Focuses on micro-precision machining and surface treatment technologies.
Jiangsu Shentong Valve Co., Ltd.
A 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.
DELIXI Group
Founded in 1984, DELIXI Group is a diversified industrial group centred on intelligent electrical products, with additional activities in precision manufacturing, defence-related electronics and environmental businesses. Buyers should qualify the exact subsidiary and legal manufacturer responsible for each product line.
Nader Electric Co., Ltd.
Publicly listed manufacturer specializing in low-voltage circuit protection and control devices, including molded case circuit breakers, residual current devices, and industrial-grade connectors. Serves data centers, new energy, and smart building sectors with UL/CCC/CE-certified products.
China Manufacturer Candidate 074
State-owned enterprise producing low-voltage control and protection devices, including contactors, relays, isolators, and industrial terminal blocks. Focuses on rail transit, metallurgy, and petrochemical applications. Holds CCC, CE, and KEMA certifications.
CHANGSHU SWITCHGEAR MANUFACTURING CO., LTD.
SOE-affiliated manufacturer of low-voltage switchgear, including air circuit breakers, molded case circuit breakers, contactors, and busbar accessories. Produces high-reliability electrical components for power plants and substations under GB/T 14048 and IEC 60947 standards.
HONGFA INC.
Electrical-component manufacturer founded in 1984 with a portfolio spanning relays, low-voltage electrical products, connectors, capacitors, precision parts and automation equipment.
Jinlang Hardware Co., Ltd.
A publicly listed Chinese manufacturer specializing in architectural hardware systems, including door and window hardware, curtain wall fittings, and structural anchoring solutions. Produces high-strength, corrosion-resistant components for commercial and residential buildings using precision metal stamping, CNC machining, and surface treatment.
Guoqiang Hardware Co., Ltd.
A leading producer of high-performance window and door hardware, including multi-point locking systems, tilt-and-turn mechanisms, and concealed hinges. Focuses on R&D-driven product development with ISO 9001 and CE-certified manufacturing for global markets.
Hehe Architectural Hardware Group Co., Ltd.
Integrated manufacturer of architectural hardware systems for doors, windows, and facades, including heavy-duty hinges, pivot systems, and fire-rated hardware. Operates ISO 9001/14001-certified facilities with in-house R&D and testing labs.
Dongtai 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.
Huilong Technology Co., Ltd.
Innovative manufacturer of smart and mechanical door locks, bathroom hardware, and concealed hinges. Integrates IoT modules into locksets; produces via injection molding, CNC machining, and automated assembly under ISO 9001 and UL certification.
Topstrong Home Co., Ltd.
Integrated home hardware and furniture manufacturer offering architectural door and window hardware, smart locks, and cabinet systems. Produces via CNC machining, powder coating, and automated assembly; holds ISO 9001, ISO 14001, and CE certifications.
Zhongli 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.
China CITIC Dicastal Co., Ltd.
A leading global supplier of lightweight aluminum wheels and structural components for automotive OEMs, specializing in high-pressure die casting, low-pressure casting, and precision machining. Serves major international automakers with certified IATF 16949 production facilities.
Zhejiang Wanfeng Auto Wheel Co., Ltd.
Publicly listed manufacturer of aluminum alloy wheels and structural components, with advanced die-casting, machining, and surface treatment capabilities. Supplies Tier-1 automotive customers globally; holds IATF 16949 and ISO 14001 certifications.
Jiangsu Hengli Hydraulic Co., Ltd.
Global hydraulic component manufacturer producing high-precision machined valve bodies, cylinder barrels, and pump housings from cast and forged steel/aluminum billets. Key supplier to construction and agricultural machinery OEMs worldwide.
Guangdong Hongtu Technology Co., Ltd.
Public company focused on high-integrity aluminum die-castings and precision-machined components for automotive powertrain, chassis, and EV battery systems. Operates large-tonnage die-casting lines and automated machining centers.
Shanxi Jianghuai Heavy Industry Co., Ltd.
State-owned enterprise under AVIC, manufacturing large-scale precision forgings and castings for aerospace, energy, and rail sectors. Produces nickel-based superalloy and titanium alloy components via open-die and closed-die forging.
Shanghai Academy of Spaceflight Technology Precision Machinery Institute
CASIC-affiliated R&D and manufacturing institute producing ultra-precision machined, forged, and cast components for launch vehicles and spacecraft. Specializes in high-strength alloys, tight-tolerance turning/milling, and vacuum heat treatment.
Ningbo Xusheng Automotive Group Co., Ltd.
Tier-1 automotive supplier specializing in aluminum die-castings, machined structural parts, and assemblies for electric vehicles. Clients include Tesla, BMW, and GM; certified to IATF 16949 and ISO 14001.
Shandong Haimo Machinery Science & Technology Co., Ltd.
World-leading manufacturer of tire molds and precision-machined components, with extensive in-house casting, forging, and multi-axis CNC machining capabilities. Also produces offshore oil & gas equipment and wind turbine parts.
Shaanxi Fast Auto Drive Group Co., Ltd.
Major Chinese heavy-duty transmission manufacturer producing cast iron and aluminum housings, forged gears and shafts, and fully assembled transmissions. Integrates casting, forging, gear cutting, and precision machining across multiple ISO/TS 16949 plants.