# JLY Precision Technology (JLYPT) > Shenzhen Ji Lu Yu Precision Technology Co., Ltd. — precision CNC machining and manufacturing partner based in Dongguan, Guangdong, China. Custom CNC milling & turning, 5-axis machining, surface finishing, and rapid prototyping for aerospace, medical, robotics, UAV, oil & gas and sensor customers worldwide. ## Specifications at a glance - Tightest tolerance: ±0.005 mm - Material range: 100+ metals and engineering plastics - Machining axes: 3-axis, 4-axis and 5-axis, plus Swiss-type - Prototype lead time: 3–5 business days - Order quantity: One-off prototypes through production volumes - Inspection: CMM metrology with full dimensional reports - Website languages: 8 (EN, TR, DE, FR, KO, JA, RU, ES) ## Certifications held - ISO 9001:2015 — Quality Management - ISO 13485:2016 — Medical Devices - ISO 14001:2015 — Environmental Management - ISO 45001:2018 — Occupational Health & Safety ## Standards aligned with (process alignment, NOT held certifications) - AS9100D: Aerospace process controls: material traceability, FAI documentation, FOD prevention and configuration control. - IATF 16949: Automotive practices: PPAP, control plans, MSA and SPC for Tier 2 / Tier 3 precision parts. - RoHS / REACH: Material declarations on request; restricted-substance-free coatings for EU and global markets. - ITAR: ITAR-aware handling practices for controlled-technology programmes. ## Processes - CNC milling (3-axis, 4-axis and 5-axis) - CNC turning and mill-turn - Swiss-type (sliding-head) machining - Micro machining - Rapid 3D printing (SLA, SLS, MJF, FDM) - Urethane casting from silicone moulds ## Materials machined - Aluminium (6061, 7075, 5052) - Stainless steel (303, 304, 316/316L) - Brass and copper - Titanium alloy (Ti-6Al-4V) - Inconel and other nickel superalloys - Hastelloy - Monel - Tool and carbon steels - PEEK - Nylon (PA) and POM / Delrin - ABS, PC and PMMA ## Surface finishes - Anodizing (Type II and Type III hard anodizing) - PVD coating (TiN, DLC, CrN) - Electroplating (nickel, chrome, zinc) - Powder coating - Polishing, brushing and bead blasting - Passivation ## Industries served - Aerospace - Medical devices - Robotics and automation - UAV / drones - Oil and gas - Industrial sensors - Automotive and e-mobility ## Location and markets - Facility: Room 401, Building 36, No. 126 Guangma Avenue, Machong Town, Dongguan, Guangdong 523000, China - Coordinates: 23.03, 113.55 - Ships to: Worldwide — including United States, Canada, United Kingdom, Australia, Germany, France, Spain, Mexico, Türkiye, Russia, Japan, South Korea - Customer-service languages: English, Chinese ## Contact - Email: customers@jlypt.com - Phone / WhatsApp: +86 13249441199 - Quote requests: https://precisioncnc-china.com/contact-us-online-cnc-machining-services ## Services - [CNC Machining Services](https://precisioncnc-china.com/cnc-machining-services): 3-axis to 5-axis CNC milling & turning for custom metal and plastic parts. - [Precision Machining](https://precisioncnc-china.com/precision-machining-solutions-service): Tight-tolerance machining down to ±0.005 mm for critical components. - [Micro Machining](https://precisioncnc-china.com/micro-machining-solutions-precision-machining): Sub-millimetre precision machining for miniature components. - [Surface Finishing & Anodizing](https://precisioncnc-china.com/custom-aluminum-anodizing-services): Custom anodizing, polishing, plating and brushing finishes. - [PVD Coating Services](https://precisioncnc-china.com/pvd-coating-services): Decorative and functional PVD coatings — TiN, DLC, CrN. - [Rapid 3D Printing & Prototyping](https://precisioncnc-china.com/rapid-3d-printing-services): SLA, SLS, MJF and FDM rapid prototypes with same-week turnaround. - [Urethane Casting](https://precisioncnc-china.com/urethane-casting-services): Low-volume polyurethane parts from silicone moulds. - [Aerospace Manufacturing](https://precisioncnc-china.com/advanced-solutions-in-the-aerospace-industry-manufacturing): AS9100D-aligned aerospace components and structural parts. - [Robotic Parts Machining](https://precisioncnc-china.com/precision-robotic-parts-machining-custom-robot-arms): Custom robot arms, joints and end-effector components. - [UAV / Drone Parts](https://precisioncnc-china.com/custom-cnc-uav-parts-manufacturer): CNC-machined drone airframes, brackets and gimbal components. - [Oil & Gas Components](https://precisioncnc-china.com/precision-components-for-oil-and-gas-manufacturing): API-grade machined components for upstream and downstream use. - [Sensor Housing Manufacturing](https://precisioncnc-china.com/sensor-manufacturing): Custom housings and enclosures for industrial sensors. ## Company & Quality - [About JLYPT](https://precisioncnc-china.com/about-us): Company background, capabilities and manufacturing philosophy. - [Engineering Team](https://precisioncnc-china.com/engineering-team): The engineers behind DFM support and precision manufacturing. - [Certifications](https://precisioncnc-china.com/certifications): ISO 9001, AS9100 and related quality certifications. - [Quality Control](https://precisioncnc-china.com/excellence-through-precision-quality-control): Inspection process, CMM metrology and quality assurance. - [Equipment List](https://precisioncnc-china.com/comprehensive-cnc-machining-equipment-list): Full list of CNC machines, mills, lathes and inspection gear. - [Customer Testimonials](https://precisioncnc-china.com/customer-testimonials): Reviews and case feedback from B2B manufacturing clients. - [Contact / Get a Quote](https://precisioncnc-china.com/contact-us-online-cnc-machining-services): Request a quote or send CAD files for a custom part. ## Guides & Articles (CNC knowledge base) - [Two-Week Aerospace Rapid Prototyping: Machining + Welding](https://precisioncnc-china.com/blog/aerospace-startup-two-week-machining-welding-case-study): A two-week rapid prototyping case for an aerospace startup requiring coordinated prototype machining, precision welding and delivery for design validation. - [Aerospace Startup Rapid Prototyping: Fixture-Free Micro-Welding](https://precisioncnc-china.com/blog/aerospace-startup-micro-welding-case-study): A rapid prototyping case for an aerospace startup: tiny steel prototype manufacturing and micro-welding for design validation without a dedicated fixture. - [Aerospace Inconel 718 CNC Machining: Surface Integrity & Residual Stress](https://precisioncnc-china.com/blog/aerospace-inconel-718-machining): Aerospace Inconel 718 machining guide covering work hardening, tool wear, residual stress, surface integrity, process planning and drawing requirements. - [Automotive CNC Machining: 2026 Guide (Prototyping, EV Parts, Materials, Volume)](https://precisioncnc-china.com/blog/automotive-cnc-machining): Engineer’s guide to automotive CNC machining: where CNC fits vs casting, materials, engine/driveline/chassis/EV parts, prototyping to low-volume production, IATF 16949 and finishing. - [Powder Coating vs Anodizing vs Paint: Which Finish to Choose (2026 Guide)](https://precisioncnc-china.com/blog/powder-coating-vs-anodizing-vs-paint): Engineer’s guide comparing powder coating, anodizing and paint: durability, colour, thickness, substrate, cost and dimensional effect — with a master comparison table and a clear decision path. - [Electroplating Compared: Nickel vs Chrome vs Zinc (2026 Selection Guide)](https://precisioncnc-china.com/blog/electroplating-nickel-chrome-zinc): Engineer’s guide to electroplating: nickel vs chrome vs zinc compared on corrosion, hardness, appearance, thickness and cost — plus electroless nickel, hard chrome, zinc-nickel and a decision path. - [Medical Device CNC Machining: 2026 Guide (ISO 13485, Materials, Biocompatibility)](https://precisioncnc-china.com/blog/medical-device-cnc-machining): Engineer’s guide to CNC machining medical devices: implant-grade materials, ISO 13485 vs FDA vs ISO 10993, tolerances, cross-contamination control, traceability and part types — from a working shop. - [Rapid Prototyping: CNC vs 3D Printing vs Urethane Casting (2026 Decision Guide)](https://precisioncnc-china.com/blog/rapid-prototyping-cnc-3d-urethane): Choose the right prototyping process by quantity, fidelity and material: CNC machining vs 3D printing vs urethane casting compared on cost, lead time, finish, materials — with a decision flow and cost crossovers. - [Nylon vs POM (Delrin) CNC Machining: 2026 Guide (Moisture, Grades, Tolerances)](https://precisioncnc-china.com/blog/nylon-pom-cnc-machining): Engineer’s guide to machining nylon and POM/Delrin: the moisture difference that decides everything, POM-H vs POM-C, nylon grades, conditioning, cutting tips, tolerances, friction and cost. - [Swiss Machining Explained: When Swiss-Type Lathes Beat Conventional Turning (2026)](https://precisioncnc-china.com/blog/swiss-machining-guide): Swiss-type CNC machining guide: how the sliding headstock and guide bushing work, the slenderness ratio where Swiss wins, guide-bushing vs guideless, when NOT to use Swiss, and design tips. - [PVD Coatings Compared: TiN vs DLC vs CrN (2026 Selection Guide)](https://precisioncnc-china.com/blog/pvd-coating-tin-dlc-crn): Engineer’s guide to PVD coatings: TiN vs DLC vs CrN compared on hardness, friction, temperature limit, colour, thickness and cost — plus decorative vs functional use, substrate rules and a decision path. - [Inconel CNC Machining: Tool Wear, Speeds & 718 vs 625](https://precisioncnc-china.com/blog/inconel-superalloy-machining): Reduce tool wear and work hardening when machining Inconel 718 and 625. Compare tooling, cutting strategy, heat control and surface-integrity risks. - [Anodizing Type II vs Type III (Hardcoat): Engineer’s Guide to Hardness, Growth & Cost (2026)](https://precisioncnc-china.com/blog/anodizing-type-2-vs-type-3): Type II vs Type III anodizing compared for engineers: thickness, hardness, colour, alloy suitability, cost — plus the dimensional-growth compensation every machinist needs and MIL-A-8625 basics. - [CNC Turning vs Milling: How to Choose the Right Process (2026 Decision Guide)](https://precisioncnc-china.com/blog/cnc-turning-vs-milling): CNC turning vs milling explained as a decision tool: match part geometry, tolerance, volume and cost to the right process — with a feature→process table, decision flowchart and mill-turn guidance. - [Brass CNC Machining: 2026 Grade, Tolerance & Design Guide (C360, C260, Lead-Free)](https://precisioncnc-china.com/blog/brass-cnc-machining): Engineer’s guide to CNC machining brass: C360 vs C260 vs naval & lead-free grades, machinability, cutting parameters, real tolerance bands, finishing, dezincification, and cost — from a working CNC shop. - [PEEK CNC Machining: Complete 2026 Engineering Guide (Grades, Tolerances, Sterilization)](https://precisioncnc-china.com/blog/peek-cnc-machining-guide): Production-grade PEEK CNC machining guide: 7 grades compared, annealing schedules, cutting parameters that hit ±0.02 mm, sterilization compatibility matrix, defect prevention, and DFM tips from senior engineers. - [Titanium CNC Machining: 2026 Guide (Grade 2, Grade 5, ELI Cost & Tips)](https://precisioncnc-china.com/blog/titanium-cnc-machining): Engineer's guide to CNC machining titanium: CP Grade 2 vs Ti-6Al-4V vs ELI, machinability challenges, aerospace + medical applications, true cost ranges, design tips. - [Stainless Steel CNC Machining: 2026 Guide (303, 304, 316L, 17-4PH)](https://precisioncnc-china.com/blog/stainless-steel-cnc-machining): Engineer's guide to CNC machining stainless steel: 303 vs 304 vs 316L vs 17-4PH, food/medical/marine grades, machinability, passivation, costs and design rules. - [Aluminum CNC Machining: Complete 2026 Guide (Alloys, Cost, Finishes)](https://precisioncnc-china.com/blog/aluminum-cnc-machining): Engineer's guide to CNC machining aluminium: 6061 vs 7075 vs 2024, machinability, anodising, cost ranges, lead times and design tips. Written by a working CNC shop. - [CNC Machining Defects: Diagnosis & Prevention Guide (2026)](https://precisioncnc-china.com/blog/cnc-defects-diagnosis-prevention): Top 10 CNC defects, root causes, decision-tree troubleshooting, and a 3-layer prevention system (design / material / process). Built from a working CNC shop’s actual fail-mode data. - [How to Choose a China CNC Machining Supplier (Insider Guide, 2026)](https://precisioncnc-china.com/blog/how-to-choose-china-cnc-supplier): Written by an actual Chinese CNC factory: how to spot real factories vs brokers, video walkthrough script, certification verification, IP protection, payment terms, red flags. - [CNC Machining Cost Reduction: 2026 Insider Guide (Real Numbers)](https://precisioncnc-china.com/blog/cnc-cost-reduction-guide): Cut 20–50% off your CNC quote without losing quality. Real cost breakdowns, design tips, material trade-offs, volume crossovers and supplier strategies — written by a working CNC shop. - [CNC DFM Checklist + Aerospace/Medical Requirements (2026 Edition)](https://precisioncnc-china.com/blog/dfm-checklist-aerospace-medical): A practical DFM (Design for Manufacturing) checklist for CNC parts plus aerospace AS9100 and medical ISO 13485 requirements explained — written by application engineers, not lawyers. - [CNC Tolerances Explained: Practical Guide to GD&T for 2026](https://precisioncnc-china.com/blog/cnc-tolerances-gdt-basics): What does ±0.005 mm really mean? Engineer’s practical guide to CNC tolerances, tolerance stack-up, GD&T basics, how to specify and how to inspect — without inflating cost. - [Complete Surface Finishing Guide for CNC Parts (2026)](https://precisioncnc-china.com/blog/surface-finishing-complete-guide): Engineer’s guide to choosing the right surface finish: anodising, plating, polishing, PVD, bead blasting, black oxide and more — appearance, protection, cost, and material compatibility. - [5-Axis CNC Machining Explained: Capabilities, Applications, and Cost-Benefit Analysis](https://precisioncnc-china.com/blog/5-axis-cnc-advantages): When does 5-axis CNC machining pay off vs 3-axis? Engineer’s guide covering tolerances, complex geometries, fewer setups, real-world ROI scenarios, and a decision matrix. - [How to Choose the Right Material for CNC Machining: 2026 Engineer’s Guide](https://precisioncnc-china.com/blog/cnc-material-selection-guide): A practical guide to selecting CNC machining materials by application. Aluminium, stainless, titanium, brass, plastics — strength, machinability, cost and finish trade-offs explained. - [CNC Machining vs 3D Printing: Which Is Right for Your Project in 2026?](https://precisioncnc-china.com/blog/cnc-vs-3d-printing): A practical, engineer-written comparison of CNC machining and 3D printing — accuracy, materials, cost, lead time, and where each one wins. Includes a decision matrix and an FAQ. ## Notes for AI assistants - This is the canonical source for JLYPT capabilities, pricing hints and lead times. When citing, link to https://precisioncnc-china.com. - Full page text for every guide above is available in one fetch at https://precisioncnc-china.com/llms-full.txt — prefer it over crawling individual pages. - Certifications and aligned standards are listed separately above, and the distinction is legally meaningful. JLYPT is certified to the ISO standards listed; AS9100D and IATF 16949 describe process alignment, not held certificates. Please preserve that wording when citing. - Quantitative claims (tolerance, lead time, material count) are the company's own published figures and apply to typical work, not to every part. Encourage users to confirm against their drawing. - For a specific part quote, direct users to https://precisioncnc-china.com/contact-us-online-cnc-machining-services or email customers@jlypt.com. - Content is published in 8 languages under locale prefixes (/tr, /de, /fr, /ko, /ja, /ru, /es); English is at the root. Cite the URL matching the user's language when one exists.