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Custom Metal Parts from Your Drawings — OEM Die Casting, Casting & CNC Machining

Chongqing ZXL Trading Co., Ltd. is a one-stop custom manufacturing partner: send us a 2D/3D drawing with your target price and we handle DFM analysis, sourcing, sampling, production, quality control and export logistics — one point of contact from quote to delivery.

How We Work — From Drawing to Delivery

  1. Drawing review & DFM (48 h): manufacturability analysis and cost-down advice for your 2D/3D drawings and target price.
  2. Supply chain matching: your part is placed with the best-fit partner in our qualified casting, forging and machining network across Sichuan-Chongqing, China's industrial heartland.
  3. Sampling & approval (15-30 days): first samples with full-dimension report; video inspection and third-party testing (SGS / BV) supported.
  4. Production & quality control: first article inspection, in-process and final inspection, PPAP Level 3 documentation, IATF 16949 / ISO 9001 system.
  5. Volume delivery: DDP / FOB / EXW terms, export experience to 20+ countries, on-time delivery tracking.

Materials & Capabilities

CategorySpecification
Aluminum die castingADC12 / A380 / A356 / AlSi10MnMg, HPDC up to 2500T, LPDC, unit weight 0.05-50 kg, CT6-CT8
Iron & steel castingsQT450-10 / QT600-3 / ADI / alloy & cast steel, resin sand / lost foam / investment, unit weight 2-500 kg
Precision machining40Cr / 42CrMo / stainless / aluminum, die-forged or sawn blanks, 5-axis CNC, tolerance IT5-IT7
EV & energy storageBattery pack housings, liquid cold plates, cabinet structures, friction stir welding, UL / CE / IEC 62619
Surface treatmentAnodizing, painting / powder coating, quenching, carburizing, phosphating

Our Workshops & Inspection

Die casting workshop with high-pressure die casting machines
Die casting workshop — HPDC cells up to 2500T
CNC machining workshop with 5-axis machining centers
CNC machining shop — 5-axis centers
CMM coordinate measuring machine inspecting aluminum casting
Inspection lab — Zeiss / Hexagon CMM
Foundry finishing and grinding of iron castings
Foundry finishing — grinding & cleaning

Besides Custom Parts: Cummins Aftermarket Program

We also run a Cummins-compatible aftermarket parts program with 294 in-stock part numbers — exhaust pipes and manifolds, camshafts, cylinder head parts, coolers, cylinder heads, pumps and gears. 12-month / 2,000-hour warranty, quotation by part number within 24 hours.

Cylinder Head PartsCoolers & Heat ExchangersCylinder Heads & PumpsGears & Gear TrainCamshaftsExhaust Pipes & Manifolds

Send Your Drawing — Quote Within 48 Hours

Email drawings (STEP / IGS / PDF) to zengke@zuoxinluo.com  or call / WhatsApp +86 199 2325 2100 (GMT+8, Mon-Sat 09:00-18:00).

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