Model No.: Dia15-300mm
Screw Diameter: Ø 15- Ø 300
L/D ratio: 15-46
Aiming at different plastic products the screw can be chosen from: General type, pin type, barrier type, separation type, and gas-exhausting type, etc.
(3)4Cr5MoSi V1 (JIS SKD-61)
Bimetalic alloy materials:
2)Ni-based alloy/Deloro 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
We could manufacture various kinds of screws and barrels according to the customer's requirement.
1. Rich strength----We have our own professional teams in the sales, design, production, inspection and customer service areas. We concentrate to bring customers the most perfect customer experiences.
2. High-quality products----We adopt a series of advanced production and processing equipments such as CNC machines, Stellite PTA welding machines to ensure the quality of our products.
3. Large international market----We do foreign trade more than 5 years, we have a set of mature foreign trade system, our customers are all over the world. We will continue to expand our international market.
4. Location advantage----We are located in China's screw town----Jintang town, Zhoushan city, near to Ningbo Port and Shanghai Port.
5. Serious and responsible attitude----Over the years, we always maintain a serious, professional and responsible attitude, make our best efforts to meet customers' demands.
Welcome to contact us~!
Zhejiang Zhongyang Screw Manufacturing Co., Ltd is a professional designer, manufacturer, rebuilder and distributor of screws, barrels and other machine components for plastic and rubber industries.
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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