Founded in 2011 and headquartered in Hefei, Anhui Province, our company is a professional manufacturer of precision hardware components, integrating R&D, production, and sales. With over a decade of expertise in the field of small hardware parts, we have grown into a reputable supplier of precision fasteners in East China.
We specialize in the development and manufacturing of various small hardware parts, with product lines including:
Fasteners: bolts, nuts, screws, studs, self-tapping screws, rivets, etc.
Washers & Retaining Rings: flat washers, spring washers, toothed washers, shaft retaining rings, etc.
Pins & Shafts: cylindrical pins, taper pins, cotter pins, spring pins, etc.
Springs: compression springs, extension springs, torsion springs, custom-shaped springs, etc.
Stamping Parts: metal gaskets, brackets, clamps, spring clips, etc.
CNC Turned Parts: precision sleeves, bushings, fittings, custom non-standard parts, etc.
Materials include carbon steel, stainless steel, copper, aluminum alloy, and titanium alloy. Surface treatments include zinc plating, nickel plating, chrome plating, Dacromet, phosphating, and black oxide, meeting various anti-corrosion, wear-resistance, and decorative requirements.
Our modern factory is equipped with cold heading machines, thread rolling machines, multi-station presses, CNC lathes, automatic lathes, as well as a full set of testing instruments including salt spray test chambers, hardness testers, tensile testing machines, projectors, and spectrometers.
We strictly adhere to the ISO 9001 quality management system. Products can be manufactured according to GB, DIN, ANSI/ASME, JIS, ISO standards, ensuring consistency and reliability of every batch. Some products have passed SGS, RoHS, and REACH certifications.
ISO 9001 Certified
Multi-standard manufacturing
Machinery & Automation
Automotive & New Energy Vehicles
Electronics & Smart Home
Communication Equipment & Server Racks
Medical Devices & Precision Instruments
Construction Hardware & Curtain Walls
Aerospace & Military Support
Mission: Connect the world with lean manufacturing, let every small part carry quality.
Vision: To become the preferred precision hardware component partner for customers.
Core Values: Quality first, integrity, innovation, win-win cooperation.
Service Philosophy: Small parts, big responsibility — do every piece well.
We support OEM/ODM custom production, offering full-process services from drawing review, mold development, sample trial, to batch delivery. Regular products are kept in stock, supporting small trial orders and urgent orders with fast response. Stable delivery and comprehensive after-sales service are guaranteed.
Based in Hefei, serving the world. We warmly welcome domestic and international customers to contact us for cooperation or visit our factory for inspection.
| Model | 15KW Off Grid Solar System | 20KW Off Grid Solar System | 30KW Off Grid Solar System | 50KW Off Grid Solar System |
|---|---|---|---|---|
| Solar Panel | Half-cell Monocrystalline PV Module | Half-cell Monocrystalline PV Module | Half-cell Monocrystalline PV Module | Half-cell Monocrystalline PV Module |
| 550W × 27 pcs | 550W × 39 pcs | 550W × 56 pcs | 550W × 91 pcs | |
| Controller | PV Charging Controller 192V 80A | PV Charging Controller 384V 60A | PV Charging Controller 384V 80A | PV Charging Controller 384V 80A |
| Inverter | 15KW | 20KW | 30KW | 50KW |
| Lithium Battery | 58 KWH | 80 KWH | 116 KWH | 215 KWH |
| PV Array Combiner | Simplify wiring between PV array and controller × 1 pcs | |||
| Solar Panel Rack | Flat roof type mounting rack (Can be customized) | |||
| Aluminum structural fittings | ||||
| Cables | International standard | |||
Tel : +8618888888888
Email : dyyseokf04@dyyseo.com
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