# LvDeWang — Aluminum Gravity, Low-Pressure & Sand Casting + CNC Machining Manufacturer > Dongguan LvDeWang Hardware Products Co., Ltd. (est. 2016) is a Chinese OEM/ODM aluminum foundry offering one-stop gravity casting, low-pressure casting, sand casting, precision CNC machining and in-house mold making. Certified to IATF 16949 and ISO 9001:2015 (NQA), serving automotive, EV, robotics, medical, semiconductor and other industries in 10+ countries. LvDeWang integrates the full casting value chain — from DFM review and alloy recommendation through tooling, casting, CNC machining and inspection — under one roof. The factory runs 8 workshops with 68 CNC centers and ships samples in 4–7 days, mass production in 15–30 days. Material certificates cover ADC12, A380, A356, AC4B and custom alloys; in-house inspection includes CMM, X-ray, spectrometer and metallography. Typical machining tolerances reach ±0.1 mm on 3-/4-/5-axis centres. All pages are in English, targeting overseas OEM buyers. For sourcing or a quote, contact sale@ldwcasting.com or +86 158 2081 8654 (Mr. Kwok, UTC+8). ## Company - [About LvDeWang](https://www.ldwcasting.com/about.html): Company profile, milestones since 2016, and the customer wall (named clients such as CRRC, Mitsubishi, Huawei, Komatsu, Toyota, Trek, Colnago, Cervélo). - [Facilities](https://www.ldwcasting.com/facilities.html): Eight workshops and production equipment overview (5 workshop detail pages: /facilities/14.html – /facilities/18.html). - [Quality Control](https://www.ldwcasting.com/quality.html): The 10-step quality control system from incoming spectrometer check to final OQC. - [Certificates & Patents](https://www.ldwcasting.com/certificates.html): IATF 16949, ISO 9001:2015 (NQA) and 3 utility-model patents (4 detail pages: /certificates/24.html – /certificates/27.html). ## Capabilities & Processes - [Capabilities](https://www.ldwcasting.com/capabilities.html): Overview of the five core processes and when to use each (5 process detail pages: /capabilities/19.html – /capabilities/23.html). - [Gravity Casting](https://www.ldwcasting.com/gravity-casting.html): Stable, dense, low-porosity aluminum parts for structural and safety-critical components. - [Low-Pressure Casting](https://www.ldwcasting.com/low-pressure-casting.html): Tight-tolerance parts with excellent mechanical properties, ideal for wheels and motor housings. - [Sand Casting](https://www.ldwcasting.com/sand-casting.html): Flexible low-volume production for large or complex aluminum castings. - [CNC Machining](https://www.ldwcasting.com/cnc-machining.html): 3-, 4- and 5-axis precision machining to ±0.1 mm tolerance. - [Mold Manufacturing](https://www.ldwcasting.com/mold-manufacturing.html): In-house tooling — die, sand core and gravity mold — with 4–7 day sampling. ## Products - [All Products](https://www.ldwcasting.com/products.html): Browse cast and machined parts by process; each detail page lists material, specs and application. - [Robotic Arm Joint Housing](https://www.ldwcasting.com/gravity-casting/2.html): A356 gravity casting, T6 heat-treated, 5-axis machined bearing seats and gearbox flange. - [Industrial Robot Base](https://www.ldwcasting.com/gravity-casting/4.html): Structural base casting resisting moment loads of a moving arm. - [Auto Cooling System Part](https://www.ldwcasting.com/gravity-casting/6.html): High-volume automotive cooling housing with 100% leak testing and lot traceability. - [Aluminum E-bike Crank Arm](https://www.ldwcasting.com/gravity-casting/1.html): Load-bearing crank arm, gravity cast and finish-machined on 4-axis CNC. - [Robot Reducer Shell](https://www.ldwcasting.com/gravity-casting/3.html): Thin-wall shell housing a cycloidal reducer; cast instead of machined from billet. - [Automotive Cooling Component](https://www.ldwcasting.com/gravity-casting/5.html): Thermostat housings / coolant adapters, gravity cast and pressure-tested. - [Industrial Automation Frame](https://www.ldwcasting.com/gravity-casting/7.html): Cast machine frame carrying linear guides; damps vibration vs welded steel. - [Aluminum Motor Housing](https://www.ldwcasting.com/low-pressure-casting/8.html): Thin-wall motor housing, low-pressure cast to avoid gas porosity in anodized finish. - [EV Battery Enclosure](https://www.ldwcasting.com/low-pressure-casting/10.html): Structural battery-pack enclosure, low-pressure aluminium, crash performance of welded assembly. - [Medical Device Housing](https://www.ldwcasting.com/sand-casting/14.html): Low-tooling sand casting for design iteration before production tooling. - [Thermal Management Heat Sink](https://www.ldwcasting.com/sand-casting/15.html): Cast heat sink with integrated fins; removes a thermal interface. - [Rail-Transit Structural Bracket](https://www.ldwcasting.com/sand-casting/16.html): Large rail-interior bracket, sand cast, T6 heat-treated for impact strength. ## Industry Solutions - [Industry Solutions](https://www.ldwcasting.com/industry-solutions.html): Castings and CNC parts engineered to each sector's standards (8 detail pages below). - [Electric moped](https://www.ldwcasting.com/industry-solutions/52.html): Lightweight, efficient e-moped components. - [New energy vehicles](https://www.ldwcasting.com/industry-solutions/53.html): NEV structural and housing parts. - [Medical devices](https://www.ldwcasting.com/industry-solutions/54.html): High-reliability medical device housings. - [Semiconductor equipment](https://www.ldwcasting.com/industry-solutions/55.html): Stable, high-reliability semiconductor equipment parts. - [Automation equipment](https://www.ldwcasting.com/industry-solutions/56.html): Innovative automation equipment components. - [Robot](https://www.ldwcasting.com/industry-solutions/57.html): Cost-effective robot structural and joint parts. - [Chemical machinery](https://www.ldwcasting.com/industry-solutions/58.html): Chemical machinery and equipment castings. - [Urban construction](https://www.ldwcasting.com/industry-solutions/59.html): Environmentally friendly urban-construction components. ## News & Insights - [News](https://www.ldwcasting.com/news.html): Engineering, quality and process articles for OEM buyers. - [How to Choose Between Gravity and Low-Pressure Casting for Your Aluminum Part](https://www.ldwcasting.com/news/1.html): Side-by-side comparison of properties, tolerance, cost and lead time (2026-08-12). - [Inside Lvdewang's 10-Step Quality Control System](https://www.ldwcasting.com/news/2.html): Every step, check and record from incoming to OQC (2026-07-20). - [CNC Machining Tolerance 101: ±0.1 mm vs ±0.05 mm — What Does It Really Cost?](https://www.ldwcasting.com/news/3.html): How tighter tolerances multiply cost 3–5× (2026-06-18). - [Anodizing vs Powder Coating — Choosing the Right Surface Treatment for Cast Aluminum](https://www.ldwcasting.com/news/4.html): Durability, cost, lead time and finish compared (2026-05-22). - [ISO 9001:2015 — What It Means for Your Casting Supplier (and Your Audit)](https://www.ldwcasting.com/news/5.html): Why the certificate matters and how to verify it (2026-04-15). - [From Drawing to Delivery: How a Typical RFQ Flows Through Our Factory](https://www.ldwcasting.com/news/6.html): DFM, tooling, T1, mass production walkthrough (2026-03-30). - [Aluminum Alloy Quick-Select: ADC12, A380, A356 and AC4B — Which One Is Your Part?](https://www.ldwcasting.com/news/7.html): Practical four-alloy selection guide (2026-02-26). - [Heat Treatment for Cast Aluminum: What T4 and T6 Actually Do to Your Part](https://www.ldwcasting.com/news/8.html): Solution treatment, quenching and aging explained (2026-01-30). - [How to Verify a Chinese Foundry Before You Send Money](https://www.ldwcasting.com/news/9.html): Pre-audit checklist for overseas buyers (2025-12-18). - Additional articles (10–13): https://www.ldwcasting.com/news/10.html – https://www.ldwcasting.com/news/13.html ## Customers LvDeWang publishes a client roster of 24 named accounts (not shown in the main navigation). Individual profiles: /customers/28.html – /customers/51.html. ## Contact - [Contact & Quote](https://www.ldwcasting.com/contact.html): Inquiry form, map, email sale@ldwcasting.com, phone +86 158 2081 8654, address Building 1, No. 5 Fuyuan Road, Qiaotou Town, Dongguan, Guangdong, China. - [Privacy Policy](https://www.ldwcasting.com/privacy-policy.html): Data collection, cookies, GDPR/CCPA rights and retention.