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.
Professional sales staff for you to explain in detail the efficacy
of products and methods of use, and according to the different
circumstances of customers to provide you with such as plant,
layout, design drawings, staff training and other technical
services. Venture budget and advice.
Sale of services:
Professionals and training centers to provide you with
comprehensive technical advice and training, fully understand the
performance characteristics of the product, on-site training
hands-on exercises, so that you not only bought equipment, but also
mastered the technology.
In particular, equipped with a number of excellent, experienced
technical master to track the entire service to answer customers a
variety of difficult problems to be
Seeking, but also visit customers regularly to help customers train
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