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XIEJIN expertise: The Supply Chain.

XIEJIN thanks the Health Care workers who have valiantly carried us through Covid 19. Also thanks to the food and service workers for keeping us fed, the trades who keep it working, and drivers for keeping it moving!

XIEJIN is a provider of components necessary to support First Responders and Health Care Workers.

XIEJIN is an essential service.

We thank our staff, customers and vendors for their dedication to protocol, allowing efficient operation.

We can help manage your internationally sourced projects.

We can on shore components to reduce supply chain risk.

XIEJIN is proud of how our dedicated employees and expertise have met the challenges of 2020-21. We see a bright future and appreciate the valued relationships with our Customers and Vendors. All the best to your continued success.

Overview: How Injection molding works?

The Basics Of Injection Molding Service

Injection molding is one of the most often-used manufacturing processes for creating plastic parts. Thanks to its high-precision, repeatability, and cost efficiency at scale, injection molding is used to make a variety of products and parts from the smallest medical insert up to large automotive & aerospace and defense parts. The injection molding process requires an injection molding machine, raw plastic material, and a machined mold. The raw plastic material is first melted in the injection unit and is then injected into the mold — most often machined from steel or aluminum — where it cools and solidifies into the final plastic part. The key steps in the injection molding process are clamping, injection, cooling, and ejection.

How Injection molding Works

The sequence of events during the injection mould of a plastic part is called the injection molding cycle. The key steps in the injection molding cycle are:

Clamping: The two sides of the mold are closed and clamped shut.

Injection: The material is fed into the machine and pushed towards the mold. While this is happening, the material is melted by heat and pressure. The plastic is then injected into the mold — this is called the “shot.”

Cooling: The plastic in the mold cools and solidifies into the shape of the part.

Ejection: After the part cools, it is ejected from the mold.

Features of Injection Molding Service


100+ materials

We offer many available injection molding material, also customizable

Accuracy & Efficiency

All sheet metal parts are built on-demand and with lower setup costs compared to CNC Machining. Depending on your needs, order as little as a single prototype up to 10,000 production parts.


Molding can be the ideal process for custom production runs of 1-500,000+ parts.

Stable & Durable

Injeciont mold produces real end products that has awesome durability.

Rapid Turnaround

With rapid molding, molds ready in 15 days, parts shipped in 1 to 15 days

Surface Quality

Injection molds are precisely CNC milled and polished, which gives the parts terrific surface, customizable treatments are also available.


Structure Limits

Interlocking and hollowed structure is difficult to be produces in one pieces with Injection Molding.

Startup Cost

For small batch production, the starting cost is not as affordable as CNC milling or 3D Printing.

Injection Molding Processes

Custom Molded Prototypes and Production Parts with Fast Lead Times

Plastic Injection Molding

Plastic Injection Molding

is a manufacturing process where resin in a barrel is heated to a molten state, then shot into a mold to form a final production-grade thermoplastic part

Liquid Silicone Rubber Molding

Liquid Silicone Rubber Molding

is a thermoset process that mixes a two-component compound together, which is then heat cured in the mold with a platinum catalyst to produce a final part.

Overmolding and insert molding

Overmolding and insert molding

are two-part injection molding processes where one material is overlaid onto a second substrate part or metal insert to create a single component.

Get an Injection Molding quote

Injection Molding Materials

Rigid And Flexible Plastic Varieties,Rubber-Like Varieties

Hard Plastics

ABS | Acrylonitrile Butadiene Styrene

ASA | Acrylonitrile Styrene Acrylate

CA | Cellulose Acetate

COPO | Copolyester

PCT | Polycyclohexylenedimethylene Terephthalate

PPA | Polyphthalamide

HDPE | High-Density Polyethylene


Polypropylene (PP)

Polycarbonate (PC)

PMMA | Polymethyl Methacrylate, Acrylic

Nylon 12(PA12)

Nylon 6/66(PA6/66)

Derlin (POM)

Teflon (PTFE)


PLA | Polylactic Acid

High-Density Polyethylene (HDPE)


PPS | Polyphenylene Sulfide, Ryton

Vespel (PI)

Torlon 4203 (PAI)




Flexible Plastics

Polyethylene (PE)

Polystyrene (PS)


EVA Foam

EPS Foam

PU Foam

Rubber-Like Varieties

TPE | Thermoplastic Elastomer, Santoprene

TPU | Thermoplastic Polyurethane (Shore A)

LSR | Liquid Silicone Rubber

LSR | Liquid Silicone Rubber

PVC | Polyvinyl Chloride (Shore A)

POE | Polyolefin Elastomer

MPR | Melt Processable Rubber

EPDM | Ethylene Propylene Diene Monomer Rubber, Viton

Mixed plastic

PC-ABS | Polycarbonate-Acrylonitrile Butadiene Styrene

PC-PBT | Polycarbonate-Polybutylene Terephthalate

PC-PET | Polycarbonate-Polyethylene Terephthalate

PS-PPE | Polystyrene-Polyphenyl Ethers

PE-PS | Polyethylene-Polystyrene

PE-PP | Polyethylene-Polypropylene

PBT-PET | Polybutylene Terephthalate-Polyethylene Terephthalate

PBT-PET | Polybutylene Terephthalate-Polyethylene Terephthalate


We are available 24/7 via fax, email or telephone.

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    Assembly Parts (20)
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