Ruian yumin machine screw co., ltd is a factory specialized in making screw barrel, gearbox, t die, filter and recycling machine. With the history over 24 years, it's the bigges supplier of main parts of plastic machines in Ruian city, covering land of 16000 square maters, owing 2 factories, 4 worhshops. There are some computers controlled CNC milling machines in FANUK series which is the most advanced equipment professionally making screw barrel, deep drilling machine in 20meters which is 100%ensure the straightness of barrel inside in long length, milling machines in 8meters and 10 meters, 10 polishing machines, 20 lathes, 10 drilling machines, and other machines. In the past years, it has exported a lot to the followings countries and zones, such as Russia, Pakistan, Serbia, Romania, Egypt, Algeria, Morocco, Brazil, Mexico, Argentina, South-east zone of Asia and Middle-east zone. The goods are welcome a lot by the clients. Welcome you to visit and cooperate.
Size:
Screw diameter: ø 20-ø 500mm
Maximum screw length: 10000mm
Barrel inner bore diameter: ø 500mm
Material 38CrMoAlA and High quality alloy steel
Technology: Nitriding treatment
Alloy coating sparying
Heating treatment
Screw fully hardening
Specification: Depth of nitrition layer 0.5-0.8mm
Nitriding treatment, surface hardness: HV≥ 900-1000
Fragility of nitrition: Less than grade 1
Surface roughtness: Ra 0.4um
Surface of hardness of nitrated Cr coating layer ≥ 950HV
Thickness of Cr coating layer: 0.03-0.08mm
Used for granulation, PP, PE, PA, PC, ABS, AS etc
We can manufacture various kinds of screw barrels according to the customer's requirement

What is the packaging?
1) Wooden case package
2) Plastic film package
3) Suitable to transportation
4) As buyer request
5) One piece into one package
Payment: T/T, Western union, moneyGram and so on.


Our office:

1 Our Strength: We have an experience of more than 20 years of manufacturing and designing Plastic machines, varied Screws and Barrels and spares. We concentrate on improving quality, updating design, enhancing service and after service.

2 Our products: Screws Barrels for Injection, Extrusion, and Blow Molding applications; Relevant accessories(such as die head, gearbox, filter screen changer and so on); Plastic processing machinery.

3 Location advantage: Located in -Ruian Town in Wenzhou City, near to Ningbo Port and Shanghai Port.

4 Market areas: Global sales network reaching South America, Eastern Europe, Southeast Asia, Africa, Oceania and the Middle East etc. Welcome to visit our company.


FAQ:
Q1: What's your biggest concern?

A: Q------qulity more than 20 years' expierence + professional high technology production
Team + strict product inspection = high qulity

P------price large scale production + full set of independent production = reasonable price

Q2: Guarantee time and after-sale?
A: One year guarantee time, after one year, we have professional after-sales department

More question, pls feel free to contact us!