Model No.: Dia15-300mm
Screw diameter: Φ 20mm-Φ 220mm
1). 38CrMoAlA(JIS SACM645).
2). 42CrMo(AISI 4140).
3). 4Cr5MoSi V1 (JIS SKD-61).
Bimetallic alloy materials:
1). Fe-based alloy
2). Ni-based alloy/Deloro alloy
3). Co-based alloy
4). NiCo-based alloy
5). Tungsten carbide/Wolfram carbide
Bimetallic alloy welding
Bimetallic alloy centrifugal casting
Nitrided layer depth: 0.5-0.8mm
Nitrided hardness: 900-1000HV
Nitrided brittleness: Less than grade 1
Surface roughness: Ra0.4
Linearity of screw: 0.015mm
Hard-chrome plating hardness after nitriding: >=950HV
Chrome-plating layer depth: 0.025-0.085mm
Bimetallic layer depth: 3mm
Warranty and service: 1 year
1). Excellent raw materials
2). Good customer service
3). Rapid delivery
4). Reasonable price
5). Production quickly
Experienced manufacture, we will be the best choice.
Zhejiang Zhongyang Screw Manufacturing Co., Ltd.
Our factory is located in Zhoushan, we are well equipped with different kinds of advanced CNC machines. This provides solid foundation for our quality products. And the strong technical force of our R&D dept. Allows us a lot of design works for different requirements.
With the firm business philosophy of "quality oriented, customer foremost", we never stop creating better quality and service for customers. We established quality control system strictly as ISO 9001: 2008 International Quality System, our every production process is under strict inspection. This is to ensure that only qualified products are delivered to customers.
Even if you have any problem with our products, our technical team always find out solutions efficiently. We can send engineers to you under necessary conditions no matter you are in China or abroad.
We are professional, dedicated, sincere and helpful. Our dedication to providing best possible quality and service, most reasonable price and high efficient delivery to every customer forms our core competitiveness, which contributes a lot to our steady and fast growth during the past 10 years.
- Company Name: Zhejiang Zhongyang Screw Manufacturing Co., Ltd.
- Representative: JUNBING YANG
- Product/Service: Screw Element And Segmented Barrel , Injection Molding Machine Screw Barrel , Single Extruder Screw Barrel , Extruder Screw And Barrel , Screw And Barrel , Extruder Single Screw Barrel
- Capital (Million US $): 5,000,000RMB
- Year Established: 2009
- Total Annual Sales Volume (Million US $): US$2.5 Million - US$5 Million
- Export Percentage: 31% - 40%
- Total Annual Purchase Volume (Million US $): Below US$1 Million
- No. of R&D Staff: 5 -10 People
- No. of QC Staff: 5 -10 People
- Factory Size (Sq.meters): 5,000-10,000 square meters
- Factory Location: XIHOU INDUSTRIAL PARK ,JINTANG TOWN,ZHOUSHAN ,CHINA
- Contact Person: Ms. Mia
- Tel: 86-580-8055067
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