About Union Spring Technology Co., Ltd - Light & Medium Machinery Supplier in China

Union Spring Technology Co., Ltd is based in China and lists nine active products covering spring forming and wire bending machinery. The catalogue includes a 0.15‑0.8 mm Spring Coiling Machine, a 12‑axis Wire Rotating Spring Forming Machine, a 0.3‑4.0 mm Wire Rotating Spring Forming Machine, a High Precision Spring Coiling Machine, a 3‑8 mm 3‑D CNC Shelf Wire Bending Machine (HS 8462.31) built on a structural‑steel frame, a 10‑axis Camless Spring Forming Machine, a 3‑D CNC Special‑shape Spring Making Machine (HS 8462.39) using carbon, stainless or high‑tensile alloy wire, a 3‑D CNC Torsion Spring Forming Machine, and a 3‑8 mm 3‑D CNC Wire Bending Machine (HS 8462.21) with carbon‑steel wire. Each machine is described with its key wire diameter capability and the material families of the components. The HS codes place the equipment in Chapter 84, which covers industrial machinery and equipment. The product list reflects the company’s focus on light and medium machinery, CNC machines and spare parts, industrial machinery and agriculture‑related equipment.

Product Range and Specialties of Union Spring Technology Co., Ltd

The listed machines cover spring coiling, multi‑axis rotating spring forming and CNC wire bending for diameters from 0.15 mm up to 4.0 mm. In the spring‑making sector, typical buyers look for machines that can handle carbon‑steel wire grades such as 1050 or 1060, stainless‑steel grades like 304/316, and high‑tensile alloy wires (e.g., Cr‑V or Si‑Cr). Standard specifications include wire diameter tolerance of ±0.02 mm, coil pitch accuracy within ±0.1 mm, and repeatability better than ±0.5 % for spring rate. CNC‑controlled bending machines usually offer positioning accuracy of 0.01 mm and repeatability within 0.02 mm, with frame stiffness measured in N·mm. Industry standards such as ISO 9001 for quality management and IEC 60204‑1 for electrical safety are commonly applied to this class of equipment.

Trade and Export Information - Union Spring Technology Co., Ltd

Exporters of spring‑forming and CNC wire‑bending machines from China typically ship to automotive, aerospace, appliance and agricultural equipment manufacturers in the EU, North America and Southeast Asia. The HS 8462.21, 8462.31 and 8462.39 codes are examined under the Machinery and Mechanical Appliances chapter, and customs authorities often require a CE declaration for EU shipments and a UL listing for North American buyers. Commonly requested certifications include ISO 9001, ISO 14001 and compliance with the Machinery Directive (2006/42/EC). Machines are usually packed on wooden pallets, wrapped in shrink‑film, and loaded in 40‑ft containers; a standard 40‑ft container can accommodate up to three large CNC bending units or four smaller spring‑coiling machines. Incoterms such as FOB Shanghai or CIF Hong Kong are standard, with buyers arranging freight forwarding and insurance. China’s export infrastructure supports rapid container loading and offers inspection services through agencies like SGS or Bureau Veritas.

Sourcing from Union Spring Technology Co., Ltd - Buyer Guidance

Buyers should request the machine’s technical data sheet, including wire diameter range, maximum spring outer diameter, torque capacity and power consumption. Verify material certifications for the structural frame (e.g., carbon‑steel grade) and the wire handling system, and ask for test reports that show compliance with ISO 9001 and IEC 60204‑1. Prior to a full order, request a sample run or a video demonstration of the machine processing a standard wire grade to confirm tolerances and repeatability. Confirm the packaging plan, container loading configuration and the Incoterm to be used, and ensure that any required certificates (CE, UL or local safety approvals) are provided before shipment.

What wire diameters can the 3‑8 mm 3‑D CNC Shelf Wire Bending Machine handle?

The machine is rated for carbon‑steel wire diameters from 3 mm to 8 mm, with a tolerance of ±0.02 mm and a positioning accuracy of 0.01 mm.

Which HS codes apply to Union Spring Technology’s CNC machines?

The CNC Shelf Wire Bending Machine uses HS 8462.31, the Special‑shape Spring Making Machine uses HS 8462.39, and the Wire Bending Machine for 3‑8 mm wire uses HS 8462.21, all under Chapter 84.

What material options are available for the 3‑D CNC Special‑shape Spring Making Machine?

The machine can be equipped for carbon‑steel wire, stainless‑steel wire (typically grade 304) or high‑tensile alloy wire such as Cr‑V, depending on the application.

Are ISO certifications required for these machines?

Buyers typically request ISO 9001 for quality management and IEC 60204‑1 for electrical safety; the supplier can provide copies of the certificates upon request.

What is a typical lead time for a 10‑axis Camless Spring Forming Machine?

Lead times usually range from 12 to 16 weeks from order confirmation, depending on configuration and any custom tooling.

What packaging is used for shipping the spring‑coiling machines?

Machines are crated on reinforced wooden frames, wrapped in shrink‑film, and secured on standard 1200 mm × 1000 mm pallets for container loading.

Which markets commonly import these spring‑forming machines?

Major importers include the European Union, the United States, Canada, Japan and Vietnam, where they are used in automotive suspension, appliance springs and agricultural equipment.

How can I request a sample run or demonstration?

Contact the supplier to arrange a video demonstration or a on‑site trial using a standard wire grade; sample runs are typically scheduled after a non‑binding quotation is accepted.