Chongqing ZXL Trading Co., Ltd. — Precision Casting · Powering the Future
One-stop industrial manufacturing supplier: aluminum die casting, ductile iron and cast steel, precision machining, EV & energy-storage structural components, and a full range of Cummins aftermarket engine parts. Founded in 2021 and based in Chongqing, China, we are IATF 16949 / ISO 9001 certified and export to more than 20 countries.
Five Product Lines
- Aluminum Die Castings (AL-DC): high-pressure HPDC / low-pressure LPDC precision casting, alloys A380 / ADC12 / A356 / AlSi10MnMg, unit weight 0.5–50 kg, dimensional accuracy CT6–CT8. Representative parts: engine block ZXR-AL-101, transmission hydraulic housing ZXR-AL-102, EV motor drive end cover ZXR-AL-103, motor housing ZXR-AL-104.
- Ductile Iron / Steel Castings (DI-CAST): QT450-10 / QT600-3 / ADI / alloy steel, resin sand, lost-foam and investment casting, unit weight 2–500 kg, with CNC turning / milling / grinding finishing. Representative parts: construction machinery structural parts ZXR-DI-201, gearbox housing ZXR-DI-202, gearbox castings ZXR-DI-203, alloy steel castings ZXR-SC-204.
- Precision Machined Parts (PRE-MACH): die-forged / free-forged blanks + 5-axis CNC, materials 40Cr / 42CrMo / stainless steel / aluminum, tolerance IT5–IT7, quenching, carburizing and anodizing available. Representative parts: drive shaft assembly ZXR-PM-301, precision gear sets ZXR-PM-302, valve body flanges ZXR-PM-303.
- Energy-Storage Structural Components (E-COMP): battery system aluminum housings, liquid cold plates, energy-storage cabinet structures; die casting / extrusion + CNC + friction stir welding, compliant with UL / CE / IEC 62619. Representative parts: battery pack housing ZXR-ES-401, cold plate assembly ZXR-ES-402, cabinet structural parts ZXR-ES-403.
- Aftermarket Engine Parts (AM-ENG): Cummins aftermarket replacement parts covering cylinder blocks & heads, crankshafts and connecting rods, pistons and bearings, fuel systems, cooling & lubrication, and electrics, for NT855 / N14 / M11 / L10 / K19 / K38 / K50 / QSK series, 12-month / 2,000-hour warranty, accurate quotation by part number.
Industries Served
Automotive, construction machinery, powersports, energy storage & new energy, industrial equipment, agricultural machinery.
Capabilities
Engineering (DFM analysis) → Sourcing (Sichuan-Chongqing supply chain matching) → Manufacturing (in-house + partner plants, full process chain) → Quality & delivery (incoming / in-process / final inspection, third-party testing and video inspection supported). Export experience to 20+ countries, DDP / FOB / EXW terms supported.
Contact Us
- Company: Chongqing ZXL Trading Co., Ltd. / 重庆佐辛罗贸易有限公司
- Address: Room 311, Block B, 3F, No.85 Zhongshan 1st Road, Qixinggang Street, Yuzhong District, Chongqing, China
- Phone: +86 199 2325 2100
- Email: zengke@zuoxinluo.com
- Web: www.zuoxinluo.com Business hours: Mon–Sat 09:00 – 18:00 (GMT+8)
For a quotation, please provide the part number / engine model / drawings and required quantity — we reply within 24 hours.