Professional 3D Printing Manufacturer from China
Holly provides high-precision 3D printing services for sectors such as automotive, electronics, medical, and industrial equipment. We use advanced FDM, SLA, SLS, and SLM technology and offer more than 75 materials to create functional and saleable products. Our equipment achieves tolerances of ±0.1-0.2 mm, with a product defect rate of less than 0.03% over the past five years. We also provide free mold design analysis and part optimization before mold processing for production efficiency and quality assurance.
Our 3D printing service supports a wide range of materials including plastics, metals, and elastomers in order to produce your 3D model into high-performance components. We have also various options for post-processing to enhance the surface finish as well as the mechanical properties.
At Holly, we are dedicated to delivering low-cost, high-performance 3D printing solutions with fast lead times, ideal for both prototype creation and series production of small series. Contact us today to learn more about our fast and trustworthy 3D printing service!
Explore Our 3D Printing Technologies
Holly offers different 3D printing technologies for end-use production and prototyping. We offer FDM, SLA, SLS, and SLM services that support high-accuracy printing of elastomer, metal, and plastic components with ±0.1-0.2mm tolerance. With post-processing treatments of different types, rapid prototyping, and small-series production, we offer superb aesthetics and mechanical performance. Holly aims to deliver efficient and trustworthy 3D printing services to help customers reach high-quality manufacturing in industries.
Metal 3D Printing
Direct Metal Laser Sintering (DMLS) uses a fibre laser system that draws atomized metal powder to the surface and welds the powder into fully dense metal parts.
Stereolithography (SLA)
Stereolithography (SLA) uses an ultraviolet laser to form thousands of thin layers on the surface of a liquid thermoset resin until the final part is formed.
Selective Laser Sintering (SLS)
Selective Laser Sintering (SLS) uses a CO2 laser to fuse nylon-based powders, layer by layer until the final thermoplastic part is built.
Multi Jet Fusion (MJF)
Multi Jet Fusion selectively fuses and refines fusing and refining agents onto a bed of nylon powder and subsequently employs a heater to sinter together the nylon powder to form a solid functional part.
3D Printing Capabilities
3D Printing Material Available
| PLA
PLA (Polylactic Acid) is a biodegradable thermoplastic commonly utilized primarily for low-cost 3D printing and rapid prototyping. Extremely highly rated for ease of printing, surface finish very high gloss, and environmental friendliness, PLA finds optimal use in concept models, educational applications, and household items. Although it offers greater dimensional stability with reduced warping, it has no heat resistance and is easier to damage compared to ABS. PLA can also be dyed and can be modified to be more flexible or rigid.
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| ABS
ABS (Acrylonitrile Butadiene Styrene) is a hard, hard, and impact-resistant thermoplastic that is most commonly used in 3D printing for end-use parts and functional prototypes production. Because of its comprehensive use for its strength, heat resistance, and machinability, ABS finds extensive use in the automotive, consumer, and industrial markets. ABS possesses improved mechanical properties and is quite easily post-processed using acetone smoothing, paint, or sanding. ABS can further be blended in order to create improved resistance towards flame and UV stability and hence finds application in numerous applications.
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| Nylon
Nylon (Polyamide, PA) is a tough Thermoplastic with superb abrasion resistance and strength. Nylon offers excellent mechanical properties of impact resistance and flexibility making it suitable for end-use parts and functional prototyping. It is used in automotive, industrial and consumer-grade applications where toughness and heat resistance are required. The self-lubricating aspects of Nylon are also perfect for gears, hinges, and moving parts. It can also be strengthened by adding fibers for more strength and stiffness.
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| Resin
Resin is a high-resolution material used in SLA and DLP 3D printing. It’s great for prototypes that demand smooth surfaces and tiny details. It delivers superb dimensional precision, making it perfect for medical models, consumer goods, and complex engineering components. Common resins give a blend of strength and stiffness, whereas specialized resins – like flexible, durable, or high-temperature types – boost resilience and function. Resin prints can be improved through polishing, painting, or UV curing to enhance appearance and solidity.
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| PC
PC (Polycarbonate), a tough thermoplastic, finds application in 3D printing in functional models and industrial use. With a high durability, heat resistance, and transparency, PC is applied to automotive, aerospace, and engineering components with strength needs in aggressive environments. It can be made to withstand high temperatures and post-processing to improve mechanical properties. Often applied in load-bearing parts, lighting, and protective gear, PC is appreciated for its high strength and transparency.
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| Stainless Steel
Stainless steel is a corrosion-resistant metal that is highly effective in 3D printing to create high-performance, strong functional and industrial components. It is considered for its heat resistance, resistance to wear, and overall strength, which renders it perfect for aerospace, medical, automotive, and engineering industries. Stainless steel possesses sound mechanical strength and can be post-processed to further strengthen it to make it more functional as well as esthetically acceptable. It’s usually chosen for structural parts, tooling pieces, and high-stressed components where strength and durability is required.
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| Aluminum
Aluminum, a heavy metal, of high strength and light weight is used routinely in 3D printing owing to its resistance to corrosion, thermal conduction, and hardness. This is applicable in aerospace, automotive, and industry where weight savings and high strength are the major requirements. Aluminum components manufactured by the 3D printing methods possess sufficient physical strength and can also be post-processed. Finishing operations like polishing, anodizing, or bead blasting improve surface attributes and performance. The economic affordability of the metal, coupled with its overall versatility, makes it a popular first choice for functional prototypes as well as end use.
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| Titanium
Titanium is corrosion-resistant, lightweight, and high-strength metal that is widely 3D printed for corrosion resistance improvement, heat tolerance, and compatibility with living cells. It can be used well enough in aerospace manufacturing, medical equipment, and cutting-edge engineering applications involving strength-weight ratio. The mechanical titanium components 3D printed have higher mechanical properties, which are optimally favorable to structural materials and medical implants. Titanium components can be made post-processing compatible through polishing, blasting nozzle sanding, or anodization on the surface for better aspect and function.
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| Copper
Copper is a metal conductor and is most commonly employed in 3D printing owing to the high electrical and thermal conductivity, corrosion resistance, and antibacterial activity. Copper is best utilized in electronic device-related applications, heat exchangers, and production where thermal conductivity and dissipation are required. Copper parts 3D printed with high reliability and precision are best utilized to specialized mechanical and electrical applications. Improved performance and looks can be achieved by applying post-processing techniques like polishing, bead blasting, and plating.
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| TPU
TPU or Thermoplastic Polyurethane is a rubber-like plastic and is finding greater use in 3D printing wherever shock resistance, abrasion resistance, and elasticity are required. TPU feels rubber-like and is best used in automobile, shoe sole, medical implant, and seal gasket in production. TPU is abrasion-resistant and will flex and stretch but not deform. TPU printed objects may be post-processed with varying shore hardness levels as an attempt to achieve the appropriate level of flex.
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| TPE
TPE or Thermoplastic Elastomer is a soft rubber-like material and is used mostly for 3D printing to be applied in products that require being soft, elastic, and strong. TPE, due to its high shock absorption and fatigue, is applied in wearable items, automobile components, grips, and seals. TPE prefers plastic and rubber with qualities like resilience and elasticity and excellent printability. TPE is available in varying shore hardness based on varying requirements of flexibility.
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3D Printing Finishing Options
| Name | Description |
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Sanding |
Smooth out surface roughness, improving aesthetics and texture. Used for resins, plastics, and metals. |
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Polishing |
Removes layer lines and imperfections for a refined finish. Commonly used for FDM and SLA prints. |
Bead Blasting |
Creates a uniform matte finish by blasting fine particles onto the surface. Ideal for SLS and metal parts. |
Painting |
Adds color and protective coating to enhance appearance and durability. Suitable for plastics and metals. |
Electroplating |
Applies a thin metal layer to improve conductivity, wear resistance, and appearance. Used for plastics and metals. |
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Ceramic Coating |
Enhances heat resistance and durability, commonly used for high-temperature applications. |
| Vapor Smoothing | Uses chemical vapors to melt outer layers, creating a glossy, smooth surface. Ideal for ABS and similar plastics. |
| Chemical Polishing | Enhances transparency and surface quality, mainly for SLA and SLS prints. |
| Impregnation | Seals porous parts with resin or other materials to improve strength and leak resistance. |
| Annealing | Reduces internal stress and enhances heat resistance and mechanical properties through controlled heating. |
| Texturing | Adds surface patterns for better grip or aesthetic appeal, commonly applied through post-processing. |
| Dyeing | It provides uniform coloration and is often used for SLS nylon parts. |
| UV Coating | Applies a protective UV-resistant layer to prevent discoloration and degradation from sunlight exposure. |
