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Dakumar Machinery Co.,Ltd
Add : 369# XinJiang Rd, Xinqian Street, Huangyan Taizhou, Zhejiang, China
P.C. 318020

Tel : 86-576-81106895
Fax : 86-576-84018996

Web :
E-mail :
Plastic Injection Molding Machine
Striving for excellence
providing complete injection molding strategy to meet customers' requirements

Offering a complere configuration system,users can choose a suitable plastic injection molding machine in terms of different requirements

Plastic Injection Molding Machine - Blog

 SINO GROUP will show our double color injection unit in Chinaplas 2014 in Shanghai, welcome down visit us at Dakumar injection machine booth: E2Q21 from April 23-26th

Ordinary double color injection machine have two parallel or angled screws and nozzles, but the screw and nozzle cannot be changed, but our double color injection unit has a very significant advantage that the injection unit can be freely to match with different injection machine. So if you need to develop two color products, you do not need to spend a high price to buy a new two-color injection molding machine; using our two color injection unit, we can develop the double color products you want.

Following is the schematic of our double color injection unit and the product which we will show on Chinaplas 2014.

double color injection unit

Additionally , if use our double color injection unit, it unable to use normal overall rotating mold, the mold will have rotated inserts, the mold price may be higher than the ordinary double color mould, but compared with buying two-color injection molding machine, mold price increase becomes very small.

So we invite you down visiting us at booth: E2Q21 Chinaplas.
If you need more information about double color injection unit, please feel free to contact with our sales engineer.

Post by : Ellen

 Place turnkey order for injection molding machine and plastic molds in one company,

which nowadays become a tend for plastic project customers.

Especially for new owners of plastic molding industry.

We are famous in China for offering high quality molds and stable injection molding machines.

So, we are your best choice!


Let's take one pvc pipe fitting project as an example:

when a  customer need pvc pipe fitting turkey project, what they need, is not only the pvc pipe fitting molds,

but also pvc special injection machines.

As we know, pipe fitting molds especially the fitting moulds, there will be some collapsible,

When we got an order like this, we will consider the mould size together with the machine at the same time.

And for the PVC injection machine we will choose the most suitable screw and barrel,

for example the double wave and mixer screw for pvc pipe fitting production.


We can say we are more familiar with what's the real need for both of them.

That is why we encourage and suggest customer to place turnkey project for injection molds and injection machine in one manufacturer.

That is very welcome to send any request for no matter the mould or injection machine to us.

we will offer you the most professional solutions for your project.







 As a famous plastic molding machine supplier in China,

We always walking toward being better and more professional injection molding technology provider.

Compared with some top injection molding machine brands over the world.

We do not have such long history, but based on long time experiance of mold manufacturing,

we are very sensitive with advanced injection molding technology.

High speed injection machine, hybrid injection machine and even all-electrical injection machine is a tend in recent years.


But what is the difference between traditional hydraulic injection machine and all-electrical injection machine?

As we know, servo motor and engine is better for hydraulic motor.

As it is much more precision and quick response.

It only gives signal when machine has action, so at the same time, the machine can be higher performance.

All-electrical molding machine is the most precision machine till now,

But to be flank, in China, this series of injection machine is not so popular in the market.

Because of the high cost, and the limited for the tonnage.

But we trust, because of the high performance and high energy saving demands for injection machinery,

we can see more and more all-electrical molding machine manufacturer in China.




Huangyan injection moulding service supply company Sino Holdings Group can offer customer diamond plastic injection molding service.
The injection moulfing service we can offer you as follows:
1. As a top three mould manufacturer in Huangyan. Sino Mould—Branch company of Sino Holdings Group is a very professional mold making company. We can offer you plastic molding service of product analysis, mould structure design, mould machining, mold testing and mould operation training, etc.
2. Sino Holdings Group have a machine company—Dakuamr machinery. It specialized in manufacturing high speed energy saving injection machine, servo motor injection machine, double color injection machine, PET & PVC injection molding machine, etc.
3. Sino Holdings Group is also a sole agent of Italy robot—Tecnomatic Robot. We can supply customer IML molding system together with mold and machine. And Sino Group will responsible for the robot quality and after sales service.
4. Most important of all, Sino Holdings Group can help customer who new in plastic molding field build new factory and find a fine solution for them. We have a after sales engineering team who always fly to customer’s country and offer site instruction, maintain and engineer training.
If you feel interest, pls contact me for further information.
Ms.Summer .


China PVC injection molding machine professional on PVC injection technique, according to PVC material's character,it is a special plastic material need high  Corrosive substance, so, for PVC injection molding machined need special customized with machine design.

DKM PVC injection molding machine can help customer making many PVC material parts, the machine with below follows:
- PVC special screw by hard chrome plated for highly anticorrosive 
- PVC special nozzle, the nozzle of PVC molding machine will use specially design for flange.
- Special Safety door design and enlarged for PVC molding machine, because some times, customer will be use multi-pull core mould for PVC pipe fittings moulds.
- Enlarged hydraulic motor for PVC molding machine.
- Precision temperature control system for PVC molding machine.
We have sold PVC molding machines to Middle East, South America and so on, and also we can offer PVC molding line including PVC mould, PVC injection machine and other necessary PVC auxiliary equipments.
Welcome to DKM talking about China PVC injection molding machine, we will offer good quality and good service.
Please contact:
Miss Vivian
Skype: sino-mould-08

Besides internet promotion, exhibition is a very good and effective way for mould production. Sino Mould attends many local plastic mould exhibition, plastic industry fairs and foreign plastic mold exhibition every year.

For local plastic industry exhibition, Chinaplas and Canton is most popular. These two exhibition is very famous in international market. Canton Fair have over 50 years history, and it is the longest history, highest level, China's largest, most complete items, most merchants, clinch a deal the effect of the best comprehensive international trade event.
While Chinaplas is Asia's largest rubber and plastic industry exhibition, and the development of China rubber industry had a positive role. And the personage inside course of study more recognized its influence after the world's largest German "K" exhibition, displaying as rubber and plastic industry is one of the world's third exhibitions

In 2014, we have exhibition plan as follows:
Canton Fair
Booth Nr. 6.1 A38-39 B11-12
15th to 19th, April,2014

Booth Nr. 12.1F21 Sino Mould
3.1T51 Dakumar Injection Machine
3.2C11 Anole Hot Runner
23th to 26th, April,2014

For the foreign exhibition, we will attend exhibition in Egypt, Mexico, Brazil, Peru, South Africa, Russia, Iran, Turkey, etc. If you coming from the above countries, welcome to contact me for further information. 



Mould Exhibition in China


 In Chinaplas 2014, Sino Holdings Group will show its new solution for double color injection molding: L double color injection machine and PC double color cup mould.
L double color injection machine is firstly developed in Europe. It find great popularity among plastic product manufacturer because its flexibility and economic cost. But in China, there are few companies who have deployed this kind of L angel injection machine.

This kind L double injection machine consists of one main injection machine and second injection unit. This main injection machine has no difference from the other machine except the PLC, which is able to control main machine and second injection unit.

So the main injection machine can be used as common machine. When necessary, connect the second injection unit to it, it will become double color injection machine. This is one of main difference between this new L double color injection machines- its flexibility.

Its flexibility is also reflected in optional collocation between main injection machines. The traditional double color injection machine has fixed model for option. But in many situation, the fixed model not very suitable, sometimes too small and sometime too big. It is very hard to find balance. But for this new kind of L angel injection machine, there are various options. First you need to choose a suitable main injection machine according to your product weight and mould size. Then second you choose a suitable injection unit for second color or material.

People like L angel double color injection machine also because its cost much lower than traditional one. The cost is almost 50% lower than traditional one.

But the main problem this new double color injection machine is that you need to use mould with rotary structure because the machine plate cannot rotate.

The good news is Sino Holdings Group can offer you customized solution for double color injection molding both L double  injection machine and moulds suitable for this new technology. Below is the picture for PC double color mould and machine we made for Chinaplas 2014. If interested, pls feel free to contact me.

Contact: Cina


L  double color injection machine


Dakumar Machinery is one the leading PVC pipe fitting injection molding machine manufacturer in china, offers customer with high quality and good price PVC injection machine, PVC pipe fitting molding machine, PVC pipe fitting molding line.
PVC pipe fitting molding machine manufacturer in China, our PVC pipe fitting machines is specially design and manufactured with these characters:
1.       specialized PVC plasticization components, hard chrome plated screw, nozzle with enlarged nozzle hole, and nozzle flange are adopted to ensure quality of PVC production and extend the life of the mechanical parts. All PVC machine components are highly anticorrosive to suit for PVC material.
2.       Widened safety door design, equipped with double core pulling devices
3.       Barrel: also specially made to suit for PVC material
4.       Enlarged hydraulic motor to fit high torque requirement of PVC plasticization
5.       Hardened chromed nozzle for product good flow
We offers PVC pipe fitting molding machines worldwide, and in this 2014 April, we would also attend for canton fair and chinaplast exhibition, if you want to find good PVC pipe fitting molding machine at good price, pls contact to me.

How to choose suitable large injection molding machine solution.
Are you in need of large size injection molding machine solution for your plastic injection mold on hand? Which is the best model you should choose for the plastic molding project? How to make faster cycle for your large mold injection process? Dakumar offer large injection molding machines for crate mould, pallet mould, gas assistant injection molding solution and dustbin molding machines.

Let’s take 2cavity crate mould for example to compare the plastic injection machine selection and compare the solution for choose a high speed solution at very reasonable investment. When you need a tonnage of 1000T to 1200T injection molding machine, how it can be fast cycle?

1st, the action of molds during molding steps for large injection molding machine solution
To make a fast cycle for crate mould, you need minimize the steps of a crate mould running. There are steps of crate sliders opening, crate mold core side moving backwards, crate mould stripper plate pushing forward by hydraulic cylinders or by injection machine ejectors. If you can make the steps working at the same time as much as possible, you can save a lot time during the full cycle.

2nd, Cooling time control when using large injection molding machine solution. This is the key point of the mold cycle time. Your crate wall thickness can decide the cycle time greatly in this point. No matter which machine, this time is same. Therefore, you must consider to solve it by injection mold design improvement. How to make crate mould with less cooling time? Yes, we must choose a fast cooling material such as copper brillian. This can help the best cooling effect if we get the inner cooling channel system running efficiently.

3rd, we must save plasticizing step of the large injection molding machine solution. If we can make the plasticizing step the same during cooling for the large injection molding machine, you can save also a great percentage of cycle time.

Dakumar injection molding machine Co. has many great technicians that can help you choose the best suitable size and specification for your large injection molding machine solution. Welcome your enquiry and consultant if you have requirement of choose large injection molding machine solution, come to Dakumar.

Send you questions or request to  
Or Skype contact on line:sinomould.dakumar2

 Plastic Injection machine manufacturing China is a professional manufacturer for the plastic injection machines, our machine with high quality,we manufacturing Injection machine to our customers all over the world, our main sale market is Middle East, Africa, Europe, South America, and so on. We offer different types of plastic Injection machines.

DAKUMAR Plastic Injection machine include the following types, according to the raw material:

Standard Injection machines

5h Hydraulic injection machines

PET Injection machines

PVC Injection machines

Double color Injection machines( Injection Unit), etc.

DAKUMAR plastic Injection machine manufacturing new type hybrid Injection machines, this is new type of machine worked with both electrical and hydraulic, named 5H injection machine, for high speed injection,high precise control,it will be have moog valve and realize material charging, mould open and ejection at the same time, to arrived save cycle time.

Plastic Injection machine manufacturing China can offer you fine solution for the injection molding line. Please do not hesitate contact us if you have any question and down visit us to see our workshop and capacity. 



 Our company export plastic injection molding machines to all over the world in China for 15 years. We are China molding machines supplier, with the high quality, long life of the machine, good surface machines, these making our plastic injection molding machines known well to others. We are China molding machines supplier.
With the development of the society, now more and more customers need high standard surface, our engineers in order to meet customers requirement, we update the machines surface and add some safe design on the machines, such as: we add a cover on the injection gate and so on, besides, we know that high speed and the mold cycle time is very important when operating the molds, in order to solve this question, we can making the customized plastic injection molding machines for our customers, we can change the servo valve to moog valve, and add two high pressure oil filter, meanwhile, we can also change the computer KEBA2000 to KEBA 1000. Just tell us your requirement of the plastic injection molding machine, our engineers will offer you the suitable design for your projects.
You can check it on our website:, we are China molding machines supplier.
If you have other questions, please come to me.

Skype: sinomould-15
E-mail: /

Injection molding machine is a very widely used machine because the vast majority of daily plastic products is produced by plastic injection molding machines. the machine engineer unable to learning operation methods from the machine instructions , if the engineer is not good understand injection machine operation, it can easily destroy the plastic molds and machines, bring you serious consequences . So injection machine skills training are very important for a plastic company.

Our company produces and sells injection molding machines, we also provides injection molding machine operation skills training service. Customers can send engineers to our company for studying; we have machine assembling workshop, and plastic mould testing workshop, customers can either learn the basic knowledge of the machine structure, and can also learn some basic operation skills, as well as some basic troubleshooting methods.

For some major customers who have more number of our machine, we can also send a senior engineer to the customer's facility for injection machine skills training. We have a strong engineer team; they can provide machine commissioning, maintenance and other after-sales services.

If you have any interests in our injection machine, or if you need injection machine skills training, please feel free to contact us, we are ready to offer you a good molding solution.

Post by Ellen

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