Jilin Liyuan Precision Manufacturing — company research

Named company and reported location

吉林利源精制股份有限公司

Its official contact page reports 5729 Xining Road, Economic Development Zone, Liaoyuan, Jilin, China. Liaoyuan is the location recorded here; this is not a Changchun plant record. The company describes aluminium extrusion and further processing. The actual producing plant and contracting entity assigned to an order remain to confirm.

Named product catalog research

• Variable-diameter tube (变径管) — The source describes an internal-variable-diameter seamless tube made by extrusion with a moving mandrel. Exact alloy, wall and bore profile, tolerances and application acceptance remain to confirm.
• Aluminium bar (铝棒) — The source describes extruded aluminium bars in different diameters. A chosen alloy, temper, diameter, straightness and delivered surface are not specified by this record.
• Window and door profile (门窗型材) — The source describes aluminium profiles combined with insulating strips using a rolled assembly process. Complete window supply, selected section, finish and tested performance remain to confirm.

Profile supplier guide · Tube supplier guide · Bar supplier guide · Regional coverage

Source evidence and limits

• Manufacturer company introductionhttps://www.liyuanlvye.com/about.html
• Manufacturer contact and production-scope statementhttps://www.liyuanlvye.com/intro/11.html
• Manufacturer product cataloghttps://www.liyuanlvye.com/product/5/

Source bodies reviewed 8 October 2026. The contact page names 吉林利源精制股份有限公司 and Jilin Liyuan Precision Manufacturing Co., Ltd. Registration, independent enterprise identity and order-specific production responsibility have not been independently cleared.

This research does not verify current stock, MOQ, tooling price, delivery time, certifications or the entity and plant responsible for an order. Obtain a current written quotation and controlled drawing. Website descriptions are supplier statements; specific suitability and acceptance require your own technical review.

Prepare a comparable delivered requirement

• Tube: bore transition drawing, wall thickness, diameter, straightness, end processing and inspection scope.
• Bar: alloy and temper, diameter, cut length, finish, tolerance and material documentation.
• Window/door profile: section drawing, insulating strip material, assembly state, finish and required test evidence.
• Name the contracting company, assigned production site, subcontracted operations, included items and exclusions.

Continue the sourcing workflow

Record written supplier replies · Compare quote scope · Review drawings and samples · Prepare an inquiry

Prepare and download notes locally, then contact the supplier yourself after reviewing the requirement.