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| Customization: | Available |
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| Warranty: | 6 Months |
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Customized High Strength CNC Machining Cylinder Diesel Engine Part for Auto/Motorcycle
We are a leading manufacturer of high-quality CNC-machined components, serving global clients across aerospace, automotive, medical, robotics, and industrial equipment sectors. With over 15 years of specialized experience in precision manufacturing, we have established ourselves as a trusted partner for companies demanding uncompromising quality, technical expertise, and reliable delivery.
Our facility houses advanced CNC equipment operated by skilled technicians and engineers who understand the critical nature of precision components. We specialize in transforming your designs into perfectly executed parts, whether you need prototypes, low-volume production runs, or high-volume manufacturing with consistent quality control.
We maintain a diverse equipment portfolio to handle various part sizes, complexities, and production volumes.We employ a comprehensive range of advanced CNC technologies to meet diverse manufacturing requirements.

Material Available:
| Stainless Steel | SS201,SS301, SS303, SS304, SS316, SS416 etc. |
| Steel | mild steel, Carbon steel, 4140, 4340, Q235, Q345B, 20#, 45# etc. |
| Brass | HPb63, HPb62, HPb61, HPb59, H59, H68, H80, H90 etc. |
| Copper | C11000,C12000,C12000 C36000 etc. |
| Aluminum | AL6061, Al6063, AL6082, AL7075, AL5052, A380 etc. |
Surface Treatment:
| Aluminum parts | Stainless Steel parts | Steel |
| Clear Anodized | Polishing | Zinc plating |
| Color Anodized | Passivating | Oxide black |
| Sandblast Anodized | Sandblasting | Nickel plating |
| Chemical Film | Laser engraving | Chrome plating |
| Brushing | Carburized | |
| Polishing | Heat treatment | |
| Chroming | Powder Coated |

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Quotation
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According to your drawing(size, material,and required technology, etc)
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ToleranceSurface Roughness
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+/-0.005 - 0.01mm(Custonize avaiable)Ra0.2 - Ra3.2(Custonize avaiable)
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Materials Avaiable
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Such as aluminum, copper, stainless steel, iron, PE, PVC, ABS, etc.
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Surface Treatment
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Polishing, general/hard oxidation/oxidation, surface chamfering, tempering, , etc.
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Processing
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CNC Turning, Milling, drilling, auto lathe, tapping, bushing, surface treatment, etc.
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Testing Equipment
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CMM/Tool microscope/multi-joint arm/Automatic height gauge/Manual height gauge/Dial gauge/Roughness measurement
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Drawing Formats
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PRO/E, Auto CAD, Solid Works , UG, CAD / CAM / CAE, PDF
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Our Advantages
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1.) 24 hours online service & Quickly Quote/Delivery.
2.) 100% QC quality inspection before delivery, can provide quality inspection form.
3.) 18+ years of experience in the CNC machining area and have a senior design team to offer perfect modification suggestions. |
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Production Scaling & Volume Manufacturing
Our facility is optimized for both low-volume/high-mix and high-volume production:
Low to Medium Volumes (1-1,000 pieces):Flexible scheduling to accommodate multiple projects,Emphasis on setup optimization for small batches,Ideal for bridge production before hard tooling commitment
High-Volume Production (1,000+ pieces):Dedicated production lines with optimized workflows, Custom fixtures and specialized tooling for efficiency
Inspections:
3D instruments, 2D instruments, Projectors, Height Gauges, Inner diameter dial indicators, Dial gaues,
Thread and Pin gauges, Digital calipers,Micro calipers, Thickness testers, Hardness testers Roughness
testers, etc. ( Detection accuracy to 0.001 millimetre )

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Bike
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Automobile Industry
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Computer Equipment
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Agricultural Equipment
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Textile Equipment
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Miscellaneous Equipment
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Measuring Instruments
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Medical/Dental Instruments
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Safety Equipment
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Petrochemical Industry
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Pumps Connections
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Pharmaceutical Industry
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General Machinery
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Pharmaceutical Industry
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Fixing Equipment
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Industrial Valves
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Sanitary Fittings
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Instrumentation Equipment
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Food Beverage Processing
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Orthopedic Implants
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Packaging & Protection Standards
Q1: Why choose us?
A: We have our own factory, Weifang Shengao Machinery Co., Ltd., so we can guarantee the quality of each product and provide you with competitive prices. We are committed to providing customers with first-class quality supply services, hoping to establish successful cooperative relationships with partners and become their preferred supplier.
Q2: What if you can't find the product you need on our website?
A: You can send pictures and drawings of the required products by email, and we will confirm whether we have them. Or you can also send samples by DHL/TNT, and we will tailor them for you.
Q3: How to customize (OEM/ODM)
A: If you have new product drawings or samples, please send them to us. We can customize the hardware according to your requirements. We will also provide professional product suggestions to make the design more specific and maximize performance.
Q4: Can you strictly follow the tolerances on the drawings and meet high precision requirements?
A: Yes, we can, we can provide high-precision parts and manufacture parts according to your drawings.
Q5: What is the payment method? How should I order and pay?
A: We accept T/T (bank transfer), Western Union, L/C.
Sample: 100% paid with order;
Production: 30% deposit paid by T/T before arranging production, and the balance paid before shipment.
Q6: What is your minimum order quantity?
A: The minimum order quantity depends on the customer's needs, usually 100-200 pieces. in addition, we also accept trial orders before mass production.
Q7: How long is your delivery time?
A: Standard parts: 7-15 days
Non-standard parts: 15-25 days
We will deliver as soon as possible while ensuring quality. The production cycle will vary greatly according to product size, technical requirements and quantity. We always meet customer requirements by adjusting the workshop schedule.
Q8: Which mode of transportation is better?
A: Generally speaking, due to the heavyweight of the product, we recommend shipping by sea, and we also respect your opinions on other modes of transportation.
Q9: Can I know the progress of my product without visiting your company in person?
A: We will provide a detailed product schedule and send weekly reports with digital photos and videos to show the progress of processing.
Q10: How to ensure quality?
A: The company has strong technical support, and all our processes strictly follow ISO9001:2008 procedures. From production to delivery, we always strictly control quality.
Q11: If the product you produce is of poor quality, can I refund it?
A: We strictly produce according to the drawings or samples until you are 100% satisfied. In fact, we will not take the risk of producing inferior products.