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Linyi Shunyi Spring Factory
Professional Custom Spring Manufacturer & Supplier — Compression, Tension, Torsion & Special Springs
Tension Springs
Torsion Springs
Die Springs
Special Springs
Custom Springs
Address: Shengzhuang Subdistrict, Luozhuang District, Linyi, Shandong, China
Founded: Nov 24, 2017 | Enterprise Type: Individual Business | Status: In Operation
Main Business: Spring R&D, Production & Sales | Main Markets: Domestic & Global
OEM & ODM
Custom Design
High Precision
Durable
Competitive Price
Company Overview
✔ Established in 2017, located in Linyi, Shandong — the hardware & spring manufacturing base of North China.
✔ Specialized in custom design, production & sales of all types of metal springs for machinery, electronics & hardware.
✔ 1,200 ㎡ workshop, 30+ skilled workers, 20+ sets of CNC spring coiling & forming machines.
✔ Professional technical team with rich spring design & production experience.
✔ Full production line: material selection → coiling → heat treatment → surface treatment → inspection → packaging.
✔ Adheres to “Quality First, Customer Supreme, Precision Manufacturing, Stable Delivery” principle.
Core Products
| Category | Main Products | Materials | Applications |
|---|---|---|---|
| Compression Springs | Standard cylindrical springs, conical springs, variable pitch springs | Spring steel, stainless steel, music wire | Automotive, machinery, electronics, home appliances |
| Tension Springs | Standard tension springs, extended hooks, machine springs | 65Mn, 55CrSi, 304/316 stainless steel | Hardware, tools, furniture, electrical appliances |
| Torsion Springs | Single/double torsion springs, special angle torsion springs | High carbon steel, alloy steel, stainless steel | Toys, switches, hinges, industrial equipment |
| Die Springs | Heavy-duty die springs (green, red, blue, yellow) | Alloy spring steel, high temperature resistant | Mould, stamping, injection molding machinery |
| Special Springs | Flat springs, disc springs, volute springs, shaped springs | Custom materials (carbon steel, stainless steel, copper) | Special machinery, automotive, construction, hardware |
Technical & Production Advantages
– 7+ years professional spring manufacturing & customization experience.
– 20+ CNC spring coiling machines (0.1–6.0mm wire diameter capacity).
– In-house heat treatment & surface treatment lines (blackening, galvanizing, passivation).
– High precision: tolerance ±0.02mm, stable performance & long fatigue life.
– Flexible production: small-batch trial & mass production (1,000–1,000,000 pcs).
– Fast delivery: standard springs 3–7 days; custom springs 7–15 days.
Production Equipment
• CNC automatic spring coiling machines (0.1–6.0mm)
• Spring grinding & end closing machines
• Heat treatment & tempering furnaces
• Automatic surface treatment lines
• Spring tension & fatigue testing machines
• Precision calipers & hardness testers
Quality & Certifications
✔ Strict quality control system (ISO9001 standard).
✔ 100% raw material inspection & finished product testing.
✔ Compliance with GB, JIS, DIN & ASTM international standards.
✔ Complete fatigue & load performance testing.
✔ Stable quality & reliable after-sales guarantee.
Cooperation & Trade Terms
MOQ: 1,000 pcs (negotiable for custom & large orders)
Lead Time: Standard: 3–7 days; Custom: 7–15 days
Payment Terms: T/T (30% deposit, 70% before shipment)
Delivery Terms: FOB Qingdao, Linyi, EXW available
Packing: Export carton, wooden case or custom
Samples: Free samples available (shipping cost borne by buyer)
Service & Support
✔ Custom spring design based on customer drawings (DWG, STEP, PDF).
✔ OEM & ODM services with custom logo & packaging.
✔ Free sample evaluation & prototype production.
✔ 24-hour online sales & technical support.
✔ On-time delivery & stable supply capacity.
✔ Complete after-sales service & quality complaint handling.
Market & Customers
✔ Long-term partners with domestic machinery, hardware & automotive enterprises.
✔ Products sold to Shandong, Jiangsu, Zhejiang, Guangdong & exported globally.
✔ High recognition & praise from domestic & international customers.
✔ Professional export documentation & logistics support.
Why Choose Us?
✔ 7+ years professional spring manufacturing experience.
✔ Full CNC production & strict quality control.
✔ High precision, durable & long fatigue life springs.
✔ Strong custom design & OEM/ODM capacity.
✔ Factory direct, competitive price & fast delivery.
✔ Perfect service & reliable after-sales support.