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Jiangjin Copper Rolling and Precision Tubes

Jiangjin's copper-rolling cluster covers more than one tube product. Hailiang expanded copper-tube lines in Luohuang, Jintian makes magnet wire and copper wire, and Longyu produces precision tubing in Shuangfu. These are distinct companies and processes; approved capacity is not shipment volume.

Formation and regional foundations

The 2025 source Proposed Chongqing SME Cluster List for 2025 supports the Jiangjin Copper Rolling and Precision Tubes industry link; a shared label does not qualify firms including Chongqing Hailiang Copper Co., Ltd as suppliers.

In Copper-processing parks in Luohuang and Shuangfu, Jiangjin, trace copper-alloy rolling, drawing, precision tubes and magnet wire from copper feedstock to casting. Check each supplier's delivery terms for precision and inner-grooved copper tubes.

Core geography: Copper-processing parks in Luohuang and Shuangfu, Jiangjin

Operating-chain map in Copper-processing parks in Luohuang and Shuangfu

Six supply-and-demand connections in Copper-processing parks in Luohuang and Shuangfu

The six nodes run from copper feedstock to copper-alloy rolling delivery arrangements, then return delivery feedback to casting.

  • copper feedstock — Input review for Jiangjin Copper Rolling and Precision Tubes centres on copper feedstock and checks grade, specification, origin, lot and substitution terms before work begins.
  • casting — Operations for Jiangjin Copper Rolling and Precision Tubes follow casting and record process revisions, equipment settings, stage results and responsibility boundaries at each handoff.
  • precision and inner-grooved copper tubes — Output scope for Jiangjin Copper Rolling and Precision Tubes covers precision and inner-grooved copper tubes, with model, performance, supplied scope and acceptance files defined separately.
  • refrigeration — Demand for Jiangjin Copper Rolling and Precision Tubes comes from refrigeration, with specifications and delivery terms checked against assembly, operating environment, production cadence and support conditions.
  • copper-alloy rolling acceptance criteria — Acceptance for Jiangjin Copper Rolling and Precision Tubes follows copper-alloy rolling acceptance criteria, with measurement and retest results linked to a production lot or process revision.
  • copper-alloy rolling delivery arrangements — Delivery for Jiangjin Copper Rolling and Precision Tubes follows copper-alloy rolling delivery arrangements and checks packaging, protection, transport milestones, arrival inspection and site handover.

01 · Jiangjin Copper Rolling and Precision Tubes: Inputs and inbound terms

This chapter reviews input mix and inbound conditions in Copper-processing parks in Luohuang and Shuangfu.

Input mix: copper feedstock, copper alloys, drawing and annealing inputs, wire insulation.

For copper feedstock, check grade, specification, origin, lot and substitution terms; retain samples and site records.

In Chongqing, physical inputs such as copper feedstock carry a lot trail through packaging, transport and traceability records, while sites, equipment or services retain their own reference numbers.

  • Before work in Copper-processing parks in Luohuang and Shuangfu moves into execution, grade, specification, origin, lot and substitution terms should be explicit.

02 · Jiangjin Copper Rolling and Precision Tubes: Operations and handoffs

This chapter reviews production stages and engineering interfaces in Copper-processing parks in Luohuang and Shuangfu.

Operating sequence: casting, milling, rolling, drawing, annealing, forming and surface inspection.

After a change to casting, reassess copper-alloy rolling acceptance criteria and update records for process revisions, equipment settings, stage results and responsibility boundaries.

Before casting in Chongqing moves to precision and inner-grooved copper tubes, use a limited trial, test harvest or stage result to confirm the output boundary.

  • Before work in Copper-processing parks in Luohuang and Shuangfu moves into execution, equipment, software versions and accountable owners should be explicit.

03 · Jiangjin Copper Rolling and Precision Tubes: Outputs and acceptance

This chapter reviews output forms and acceptance measures in Copper-processing parks in Luohuang and Shuangfu.

Output range: precision and inner-grooved copper tubes, magnet wire and low-oxygen copper wire.

Acceptance of precision and inner-grooved copper tubes from casting in Chongqing should specify reproducible samples, methods, environments and decision rules.

For Jiangjin Copper Rolling and Precision Tubes, quote precision and inner-grooved copper tubes separately by model, custom scope, technical files and site services.

  • Before work in Copper-processing parks in Luohuang and Shuangfu moves into execution, specifications, test environments and delivery documents should be explicit.

04 · Jiangjin Copper Rolling and Precision Tubes: Demand and purchasing

This chapter reviews demand side and purchasing routes in Copper-processing parks in Luohuang and Shuangfu.

Demand side: refrigeration, motor, cable and equipment manufacturers.

In Chongqing, demand from refrigeration can be separated by assembly, operating environment, production cadence and support conditions, then matched to the conditions for precision and inner-grooved copper tubes.

An inquiry for precision and inner-grooved copper tubes in Jiangjin Copper Rolling and Precision Tubes should state volume, acceptance and delivery terms for refrigeration.

  • Before work in Copper-processing parks in Luohuang and Shuangfu moves into execution, use case, volume range and acceptance owner should be explicit.

05 · Jiangjin Copper Rolling and Precision Tubes: Named entities

The three named entities in Copper-processing parks in Luohuang and Shuangfu each link to their own public material.

Hailiang Copper Tube Processing Environmental Report records Chongqing Hailiang Copper Co., Ltd in the Jiangjin Copper Rolling and Precision Tubes chain.

Luohuang Jintian Copper Wire Production Report records Chongqing Jintian Copper Co., Ltd in the Jiangjin Copper Rolling and Precision Tubes chain.

Chongqing Basic and Advanced Smart Factory Register records Chongqing Longyu Precision Copper Tube Co., Ltd in the Jiangjin Copper Rolling and Precision Tubes chain.

  • The three named entities in Copper-processing parks in Luohuang and Shuangfu use only relationships directly stated in their own material.

06 · Jiangjin Copper Rolling and Precision Tubes: Quality and records

This chapter reviews quality review and technical files in Copper-processing parks in Luohuang and Shuangfu.

Check alloy grade, dimensional tolerance, cleanliness, conductivity and insulation by lot, separate capacity from output.

When operating conditions for casting in Chongqing change, reassess copper-alloy rolling acceptance criteria and update process revisions, equipment settings, stage results and responsibility boundaries.

After release of precision and inner-grooved copper tubes from casting in Chongqing, set retesting, exception isolation and correction deadlines so responsibility remains traceable to a production lot or process revision.

  • Before work in Copper-processing parks in Luohuang and Shuangfu moves into execution, samples, test conditions and decision rules should be explicit.

07 · Jiangjin Copper Rolling and Precision Tubes: Delivery and site handover

This chapter reviews transport, delivery and site handover in Copper-processing parks in Luohuang and Shuangfu.

Luohuang uses road, rail and port links, Longyu dispatches separately from Shuangfu, not the same plant.

When delivery of precision and inner-grooved copper tubes from casting in Chongqing spans several traceable units or service stages, every deliverable should link back to its record.

Delivery of precision and inner-grooved copper tubes to refrigeration keeps lot or style labels, moisture and crush protection, loading method and arrival sampling aligned.

  • Before work in Copper-processing parks in Luohuang and Shuangfu moves into execution, packaging, temperature, humidity, shock protection and arrival checks should be explicit.

08 · Jiangjin Copper Rolling and Precision Tubes: Engagement and due diligence

This chapter reviews engagement sequence and due-diligence list in Copper-processing parks in Luohuang and Shuangfu.

Jiangjin Copper Rolling and Precision Tubes: Municipal consultation and district selection report are different stages.

When checking entities including Chongqing Hailiang Copper Co., Ltd, cluster designation does not prove performance; before quoting precision and inner-grooved copper tubes, assign responsibility for copper-alloy rolling acceptance criteria and copper-alloy rolling delivery arrangements.

In Chongqing, an engagement for precision and inner-grooved copper tubes from casting can begin with a small lot, pilot or stage deliverable before capacity, lead time and longer arrangements are set.

  • Before work in Copper-processing parks in Luohuang and Shuangfu moves into execution, separate conclusions on regional designation and company capability should be explicit.

Sources and reading notes

Public material defines the locality and chain for copper-alloy rolling, drawing, precision tubes and magnet wire in Copper-processing parks in Luohuang and Shuangfu, Jiangjin; each Jiangjin Copper Rolling and Precision Tubes firm uses its own evidence, and unbuilt projects are not counted as supply.

  • Proposed Chongqing SME Cluster List for 2025 (2025) documents the locality or product behind Jiangjin Copper Rolling and Precision Tubes.
  • The corresponding public record states this relationship for Chongqing Hailiang Copper Co., Ltd: District project file documents its Luohuang copper-tube casting, rolling and drawing line.
  • The corresponding public record states this relationship for Chongqing Jintian Copper Co., Ltd: District field report names its Luohuang magnet-wire and copper-wire workshops.
  • The corresponding public record states this relationship for Chongqing Longyu Precision Copper Tube Co., Ltd: Municipal register names its precision-tube factory, district project names its tube-handling technology.

Related companies

These companies have a locally relevant industry role supported by public information. Order is not a ranking, inclusion does not imply authorization, partnership or endorsement, and Hello China does not participate in or guarantee transactions.

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Sources

Use the original publishers to check dates, scope and definitions; public material is not a transaction guarantee.