Company Journey
HTsin’s predecessor was founded in Futian, Shenzhen, initially as a small but well-equipped workshop. We focused on small-batch, customized component production, providing key components to local electronics R&D companies, thus laying the foundation for industry recognition.
We introduced our first advanced three-axis machining center, breaking through the bottleneck in parts processing. Subsequently, we expanded our business into the field of communication equipment, and began providing supporting components to leading domestic communication companies.
We have built a modern production base covering 5,000 square meters in Bao’an District, Shenzhen. Relying on multiple five-axis machining centers, we have mastered the processing technology for complex structural parts, and expanded our component services to the aerospace field.
We have built a customized production base with fully digitalized management of the entire process from procurement to logistics. The automated production line will increase the annual production capacity to more than 300,000 precision parts, and we have also launched customized service solutions.
We launched a “Global Collaboration Program” in partnership with a logistics center in Singapore to provide 48-hour express delivery services to customers worldwide. We also established a research and development center for new materials processing to explore the application of advanced materials.
HTsin’s predecessor was founded in Futian, Shenzhen, initially as a small but well-equipped workshop. We focused on small-batch, customized component production, providing key components to local electronics R&D companies, thus laying the foundation for industry recognition.
We introduced our first advanced three-axis machining center, breaking through the bottleneck in parts processing. Subsequently, we expanded our business into the field of communication equipment, and began providing supporting components to leading domestic communication companies.
We have built a modern production base covering 5,000 square meters in Bao’an District, Shenzhen. Relying on multiple five-axis machining centers, we have mastered the processing technology for complex structural parts, and expanded our component services to the aerospace field.
We have built a customized production base with fully digitalized management of the entire process from procurement to logistics. The automated production line will increase the annual production capacity to more than 300,000 precision parts, and we have also launched customized service solutions.
We launched a “Global Collaboration Program” in partnership with a logistics center in Singapore to provide 48-hour express delivery services to customers worldwide. We also established a research and development center for new materials processing to explore the application of advanced materials.
Surface Modification Technology
Reshaping Surface Performance
Carburizing / Nitriding
By virtue of high temperature, carbon and nitrogen atoms “penetrate” into the metal surface layer, creating a “hard surface layer” for stressed parts such as gears and bearings, enhancing wear resistance and compression resistance, and making parts more “durable”.
Quenching
“Rapid cooling” is carried out on the surface layer of iron and steel parts to stimulate the improvement of hardness and wear resistance. For parts such as cutters and molds that pursue “strong strength”, quenching is a key step to enhance performance.
Laser Surface Treatment
Using laser as a “scalpel”, the microstructure of the surface layer of parts is precisely changed. Hardness, wear resistance, and corrosion resistance are improved as needed, customizing “exclusive performance” for high – end parts.
Surface Finish Options For CNC Turned Parts
As machined
The machined aluminum parts are left with visible tool marks and potentially sharp edges and burrs, which can be removed upon request.
Bead Blasted
Give the machined parts a smooth and uniform matte surface finish, thereby removing tool marks.
Polishing
Creating a smooth and shiny surface by manually polishing in multiple directions or by applying a chemical polish treatment.
Anodizing
Type II (Anodizing color or clear) or Type III (Anodizing hard coat) Anodizing does not cover tool marks unless bead blasted beforehand.
Chromate Conversion Coating
Increase the part’s corrosion resistance while retaining its conductivity. RoHS compliant.
Decorative Chrome Plating
Enhance aesthetics and durability of the cnc aluminum components.
Powder Coat
Applying powdered paint to the components and then baking it in an oven, which results in a stronger, more wear- and corrosion-resistant layer that is more durable than traditional painting methods.
Surface Finishes For CNC Machined Parts
Our offers a wide selection of surface finishes to improve the surface qualities of CNC-machined parts. The surface finishes applied after machining can change the appearance, surface roughness, hardness, and chemical resistance of the produced parts.
As machined (Ra 3.2μm / Ra 126μin)
This finishing option with the shortest turnaround time. Parts have visible tool marks and potentially sharp edges and burrs, which can be removed upon request.
Smooth machining (Ra 1.6μm / Ra 63μin)
Polishing (Ra 0.8μm / Ra 32μin or better)
Polishing is the process of creating a smooth and shiny surface by rubbing it or by applying a chemical treatment.
Bead Blasting
Machined parts are bead blasted with glass beads which results in a uniform grainy texture and reduced machining marks.
Vibratory finishing
A process that removes burrs, sharp edges, and machining marks from workpieces by tumbling them with vibrating media.
Bead blasted + Anodizing type II
The parts are bead blasted to #120 grit before being anodized type II—ideal for increasing the aluminum part’s corrosion resistance and cosmetic effects.
Bead blasted + Anodized type III (Hardcoat)
The parts are bead blasted to #120 grit before being anodized type III. Type III (Hard Coat) is thicker and adds a wear-resistant layer to Type II’s corrosion resistance, suitable for functional applications.
Black Oxide
Black oxide is a conversion coating that is used on steels to improve corrosion resistance and minimize light reflection.
Powder Coated
This is a finish of applying powdered paint to the components and then baking it in an oven, which results in a stronger, more wear- and corrosion-resistant layer that is more durable than traditional painting methods.
Chromate Conversion Coating
Chromate conversion coating is used to improve the corrosion resistance of aluminum and aluminum alloys while keeping their conductive properties. It is also applied as a base layer prior to priming and painting parts.
Plating
Include Nickel Plating, Silver Plating, Gold Plating, Zinc Plating, Chrome Plating, Tin Plating and etc, it is ideal to reduce corrosion, improve the appearance and function of solderability and electrical conductivity.
DLC (Diamond-Like Carbon) Coating
DLC (Diamond-Like Carbon) coating is a hard, wear-resistant coating made of a carbon-rich material that exhibits some of the properties of diamonds.
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Materials For CNC Machining Parts
CNC Metals
Aluminum
Aluminum: Aluminum’s strength-to-weight ratio, affordability, and recyclability have made it widely used across industries worldwide.
Alloys: 6061-T6, 7075-T6, 2024, 5052, 6060, 5083, 2017, 6082
Finishing Options: Alodine, Anodizing Types II, III, III + PTFE, ENP, Media Blasting, Nickel Plating, Powder Coating, Tumble Polishing
Stainless steel
Stainless steel: Stainless steel’s corrosion resistance and ductility make it ideal for long-term exposure to elements and easy shaping into different forms
Finishing Options: As machined, Bead Blasted, Polishing, Decorative Chrome Plating, Powder Coat, Nickel Plating, Gold Plating, Silver Plating
Alloys: SS303, Stainless Steel 304/304L, Stainless Steel 316/316L, Stainless Steel 17-4, Stainless Steel 416, etc.
Alloy Steel
Alloy Steel: Alloy steel is steel mixed with elements like manganese, nickel, and chromium to enhance its strength, hardness, corrosion resistance, and durability, tailored to meet specific application needs.
Alloy: AISI 1215, AISI 4140, AISI 4340, AISI 8620, AISI 4130
Finishing Option: Polishing, Plating, Painting, Powder Coating and etc.
Tool Steel
Tool Steel: Tool steel is a high-carbon, high-alloy steel prized for its hardness, wear resistance, and toughness, making it ideal for tools, dies, and molds.
Alloy: A2 Tool Steel, D2 Tool Steel, O1 Tool Steel, S7 Tool Steel, M2 Tool Steel
Finishing Option: Bead/Sand Blast, Polishing, Plating, Painting, Powder Coating, Heat Treatment and etc.
Brass
Brass: Brass is an alloy of copper and zinc, especially metal material with more than 20% zinc content, which is the most commonly used metal material in cnc machining
Finishing Options: Nickel Plating, Bead Blasted, Gold Plating, Silver Plating
Alloy: C360, C260
Copper
Copper: Copper is a soft, malleable metal with excellent thermal and electrical conductivity, making it an essential material in many industries.
Grade: C10100, C11000, C12200, C14500, C17200
Finishing Option: Plating, Polishing
Titanium
Titanium：With its low density, high strength, and excellent corrosion resistance, titanium is an ideal lightweight material for demanding applications in the aerospace, automotive, and biomedical industries.
Alloy: Ti-6Al-4V, Ti-6Al-2Sn-4Zr-2Mo, Ti-3Al-2.5V
Finishing Option: Polishing, Anodizing, Sandblasting, Chemical etching, Laser engraving and etc.
Magnesium
Magnesium:Magnesium is a versatile, lightweight metal with a high strength-to-weight ratio and excellent conductivity, making it vital for the aerospace, automotive, and healthcare industries.
Alloy: AZ31B, AZ91D, We43, AM60B, ZK60A, QE22
Finishing Option: Blasting, Anodizing, Chromate Conversion Coating, Passivation, Powder Coating, Electroplating etc.
CNC Plastics
POM (Delrin/Acetal)
POM (Delrin/Acetal) is an easy-to-machine thermoplastic with high stiffness and excellent moisture resistance. Its low friction and high wear-resistance make it ideal for durable, precision mechanical parts.
Color: White, black, brown
Grade: POM-C, POM-H, UV stabilized POM, Food-Grade POM
PMMA(Acrylic)
PMMA: PMMA is commonly known by the trade name “acrylic” or “plexiglass”. It is a lightweight and shatter-resistant material that is often used as a glass substitute in applications such as skylights, displays, signage, and lenses
Color: Transparency
Grade: Extruded PMMA, Cast PMMA, Impact-Modified PMMA, UV-Stabilized PMMA, Heat-Resistant PMMA
PEEK
PEEK: PEEK is a high-performance engineering thermoplastic with excellent mechanical, chemical, and thermal properties, short for Polyether Ether Ketone
Color: Beige with no transparency
Grade: Unfilled PEEK, 30% glass-fiber reinforced PEEK, 30% carbon-fiber-reinforced PEEK, Bearing Grade PEEK
Nylon(PA)
Nylon: Nylon is Strong, durable, and elastic, Nylon offers excellent resistance to abrasion, chemicals, and moisture, making it ideal for textiles, ropes, industrial gears, and automotive components.
Color: Nylon is often used in its natural off-white or slightly yellowish color
Grade: Nylon 6, Nylon 6/6, Nylon 11, Nylon 12
PTFE (Teflon)
PTFE: PTFE(Teflon) is a high-performance plastic material known for its exceptional chemical resistance, low friction coefficient, and high-temperature resistance
Color: The color of PTFE is typically white or off-white
PEI(Ultem)
PEI: PEI has excellent mechanical, thermal, and electrical properties, as well as good chemical resistance
Color: Amber or brownish color
Grade: Unfilled PEI, Glass-Filled PEI, Carbon-Filled PEI, Ultem PEI
PVC
PVC: PVC stands for polyvinyl chloride, which is a synthetic thermoplastic polymer that is widely used in various applications. PVC is a versatile material that can be rigid or flexible
Color: clear or opaque
Grade: UPVC, PPVC, CPVC
PAI(Torlon)
PAI: or Torlon Polyamide-imide, is a type of thermoplastic polymer that is known for its excellent mechanical properties that it maintains over a wide range of temperatures.
Color: Yellow
Grade: Torlon4203, Torlon4503, Torlon4301,Torlon4501
Surface Finish Options For CNC Turned Parts
As machined
The machined aluminum parts are left with visible tool marks and potentially sharp edges and burrs, which can be removed upon request.
Bead Blasted
Give the machined parts a smooth and uniform matte surface finish, thereby removing tool marks.
Polishing
Creating a smooth and shiny surface by manually polishing in multiple directions or by applying a chemical polish treatment.
Anodizing
Type II (Anodizing color or clear) or Type III (Anodizing hard coat) Anodizing does not cover tool marks unless bead blasted beforehand.
Chromate Conversion Coating
Increase the part’s corrosion resistance while retaining its conductivity. RoHS compliant.
Decorative Chrome Plating
Enhance aesthetics and durability of the cnc aluminum components.
Powder Coat
Applying powdered paint to the components and then baking it in an oven, which results in a stronger, more wear- and corrosion-resistant layer that is more durable than traditional painting methods.