OEM ODM Automatic Plastic PE HDPE PPR Tube Pipe Extrusion Single
Screw Extruder Making Machine Production Line
| Hardness after hardening& tempering | HB240-280 |
| Nitrided hardness | HV850-1050 |
| Nitrided case depth | 0.45-0.7mm |
| Nitrided brittleness | less than grade 2 |
| Surface roughness | Ra 0.4 |
| Screw straightness | 0.015mm |
Surface chromium-plating's hardness after
nitriding | ≥900HB |
| chromium-plating depth | 0.03-0.10mm |
| Alloy hardness | HRC50-65 |
| Alloy depth | 0.8-2.0mm |
| Materials& processes | Quality 38CrMoAlA
GH113 HC-276
CW6Mo5Cr4V2
9Cr18MoV
SKD61
Quality powder metallurgy raw materials
Advanced nitriding process
Vacuum ionic hardening
Corrosion&abrasion resistance bimetal spraying process |
HDPE pipe single-screw extrusion line has the characteristics of unique structure, high degree of
automation, easy operation and reliable continuous production
performance. The pipes produced by this machine have moderate
stiffness and strength, good flexibility, creep resistance,
environmental stress cracking resistance and good hot melt
properties.
Zhoushan Jialong Screw Manufacture Co.,Ltd is professional manufacture of screw barrel for plastic & rubber
machinery. Including conical twin screw and barrel, parallel twin
screw and barrel ,planetary screw and barrel, single screw and
barrel for extruder and injection moulding machine. Especially,
conical twin screw and barrel with SKD inlay sleeve has better use
life.
Profession experience on designing we have 20 years design
experiences,we can provide better design according customers
need,and also provide solutions to help customers solve extruding
and injection moulding problems.omers!
JALONG: Professional experience on processing, we can supply nitrided,
chrome plating,stainless steel,bimetallic and surface spraying
technology treatment for different demands.
JIALONG SCREW devote on high quality screw barrel and professional rapid service
to bring more benefit to cust.
FAQ
01
Q: Are you trading company or manufacturer ?
A: We starts from the foundry factory over more than 20 years.
located in zhoushan City, zhejiang Province, China, close to ningbo
Port.and ningbo Airport. It is a manufacturer
integrating production and processing. We have offices in zhoushan
jintang respectively.
Customers are welcome to visit and inspect the factory.
02
Q: Do you support OEM and ODM?
A: Yes! We have the top design teams in China. You just send us the
drawings of the
product and our design team will do it.Please trust our expertise !
03
Q:Why choose us?
A: In this industry, we have a better service and quality
management system, I believe you will choose professional, and the
same quality to provide you with a better price of us.
04
Q:Do you produce them all?
A: Yes, we specialize in the production of all products are their
own production.
05
Q:How to guarantee the quality problem?
A: We have a professional quality inspection department, on-site
inspection of the production process, layer upon layer of strict
control and inspection of products before delivery,absolutely
eliminate defective products.
06
Q:What's the minimum quantity of an order?
A: We are interested in offering a quotation based on your total
combined order preferences with freight delivered to your location.
Please advise and thank you for your
interest!
07
Q:How do I receive the goods?
A: We have professional transport agents, which can deliver goods
to various ports, FOB, CIF, DHL, Federal Express, etc. Please
provide detailed address, we can also provide
door-to-door service for you.
08
Q: How long is your delivery time?
A:It is usually 20-35 days. Others calculate the time according to
the quantity of your
order.
