High and low pressure film blowing machine screw, 55
Quenching hardness: HB260-290
Nitriding hardness: HV950-1050
Nitride layer depth: 0.4-0.7mm
Nitriding brittleness: ≤ a level
Surface roughness: Ra0.4
Screw straightness: 0.015mm
After nitriding chrome plating surface hardness: ≥ 900HV
Chrome plating thickness: 0.05-0.10mm
Dual alloy hardness: HRC56-65
Double alloy depth: 0.8-2.0mm
Materials and processes
High quality 38CrMoAIA
High-quality duplex stainless steel
High-quality powder metallurgy materials
Cold, hot jet hard metal technology
Advanced nitriding process
Corrosion-resistant, wear-resistant bimetallic coating process
Q1: How to visit our Factory? (not a trade company)
A: Option 1: Guangzhou Airport→ Wenzhou Airport→ Pick you up
Option 2: Shanghai Airport→ Wenzhou Airport or Rui’an Train
Station→Pick you up
Q2: How does your factory do the quality control?
A: “QUALITY FIRST " We purchase qualified parts, test the machine
every step when manufacturing.
Q3: How about the installation?
A: Option 1, our engineer install the machines for you, also train
your staff until they can run the machine independently.
Option 2, you learn this in our factory.
Q4:Do you have after-sale service?
A: 1 Year Warranty and timeless maintenance service. One service
center in Germany.
Q5: How about the payment term?
A: Payment term:1, T/T 30% , 70% before shipping.
International Sales Center
Address Office: Room 1512,No.255,Lane 658,Guangfulin Road,
Songjiang District,Shanghai, P.R.China
Address factory: Economic development Zone,Ruian City, Zhejiang