Zhengzhou Zhaoming Machinery Co., Ltd-Professional Screen Changer Manufacturer

POLYMER FILTRATION AND FILTER CHANGING EQUIPMENT

providing customers with complete and personalized polymer melt impurity removalsolutions.

DESIGN AND MANUFACTURING OF FILTER CHANGING EQUIPMENT

There are various specialized structural models available. Won multiple invention patents and technological progress awards.

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DUAL CHANNELS PLUNGER TYPE CONTINUOUS SCREEN CHANGER

Widely used in the production of petrochemical polymers or biobased synthetic resins.

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DUAL CHANNELS PLATE TYPE SCREEN CHANGER

The combined strong flexible sealing system increases the sealing pressure with the increase of melt pressure, automatically compensates for wear, and never leaks material.

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Zhaoming Machinery

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Polymer Filtration and Filter Changing Equipment

Optimized structure and setting considering body stress and melt flow rate. Mechanical sealing, high maximum pressure tolerance, no leaking. Dual channels double plungers structure, continuous production, inner heating-medium system.

Melt Gear Pump

Mainfunction of the gear pump includes: convey, pressurize, stabilize and meter the prepolymer and polymer melt, and maintain the accurate and stable delivery of the melt.

Plate Type Screen Changer

Split double-plate screen changer, double-channel double-net or double-runner four-net structure,can automatically exhaust, can upgrade the function of automatic net washing and impurities. It is widely used in the plastic extrusion products industry, such as polymer material modified granulation, sheets, plates, XPS extruded plastic boards, etc.

Cylindrical Type Screen Changer

One-piece double cylindrical screen changer, double channel double network or double channel four network structure, elongated variable exhaust mechanism, can be equipped with backwash bracket. It is widely used in the plastic extrusion products industry, plate and sheet, high-end pipe industry, high-end modified granulation, various sols, adhesives, etc.

Double Drums Type Continuous Screen Changer

One-piece double cylindrical screen changer, featuring a dual-channel dual-screen or four-screen structure. The filter screen is a fully wrapped type, equipped with an extended variable exhaust mechanism and compatible with a backwash bracket.

Four (Eight) Working Positions Screen Changer

It is suitable for the refined filtration of high-precision and high-transparency products such as BOPET, BOPP, XPS, BOPS, chemical staple and filament fibers, and wire drawing. During screen changing, the two groups of screen blocks operate alternately, resulting in more stable melt pressure and almost no changes in the products.

Non-filter Type Screen Changer

Split-type adjustable single/double disk, reinforced scraper fitting design, double-stage labyrinth seal system, fully automatic operation. Widely applied in XPS Extrusion Board, Recycled material granulation, various sheet or board materiall.

Manual Screen Changer

The operation is simple and convenient, requiring no external control system. Screen changing can be completed by manually turning the handle, making the process easy to grasp and the initial cost low. The installation is flexible and hassle-free, with a compact size that doesn't take up much space. The operating lever can be adjusted according to the on-site space, adapting to different production environments.

Mesh Belt Type Screen Changer

Mesh belt type screen changer, also known as automatic conveyer screen changer, is consist of screen changer main body and control system. It' sheating system and cooling system automatically coordinate, no influence on the production while changing screen.

Hydraulic Control System

Explosion-proof hydraulic station or ordinary hydraulic station can be customized according to customer needs. Desion specifications.Depending on different working conditions, hydraulic and control systems are equipped with accumulators to enable high-speed movement of the filtration unit.

Screen Changer Accessories

Screen changer accessories and specialized tools are core components that ensure the stable operation, efficient maintenance, and precise overhaul of screen changers. They are compatible with various screen changing equipment across various industries and directly affect the filtration efficiency, service life, and production continuity of the screen changer.

XPS Extrusion Board Special Mould

Cavity combined coat-hanger and fishtail structure, streamlined channel surface, "drip type cavity"integrated or separated die lip adjustment,little loss pressure, steady cavity pressure, uniform bubbles. Production of extruded polystyrene foam board (XPS), standard grade, B1 grade, B2 grade, and CO₂ foamed extruded board production lines.

Zhaoming Machinery

One stop solution

Pipe industry

Dedicated, non-stop screen changers for pipe and special pipe materials—on pipe extrusion lines with large length-to-diameter ratios, high melt pressures, and high production rates...

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Polymer

Update and add multiple high-end CNC machining equipment, including original imported machining centers, multiple drilling and milling centers, ultra high precision grinding machines, ultra large grinding machines, and EDM wire cutting CNC machining centers.

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Pelletizing (Cold Cut and Hot Cut)

The specialized non-stop screen changer for pelletizing (hot cut and cold cut) is selected based on the characteristics of the raw materials used and the process requirements, such as die-face hot cut, underwater hot cut (water cut), and strand cold cut processes.

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Meltblown Nonwoven Fabric

Non-stop Screen Changer for PET and PP Meltblown Nonwoven Fabric (Type 1) A dual-column, dual-screen, dual-flow path non-stop screen changer. It features simultaneous filtration by dual screens, with alternate screen changing and cleaning across dual flow paths, enabling fully continuous production. The inlet and outlet are equipped with a "pilot-type" exhaust mechanism, effectively eliminating bubble formation and filament breakage issues.

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Strapping (PET, PP)

The consumption of strapping in the packaging industry is enormous. In the Guangdong market alone, there are nearly a thousand production lines, most of which rely on recycled materials containing high levels of impurities, necessitating extremely frequent screen changes.

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Blown Film

The dedicated non-stop screen changer for blown film production is based on our patented design—the integral cylindrical type—used in large-scale single-layer and multi-layer co-extrusion blown film lines.

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PVDF、PVC

Ethylene-based plastics (such as PVC, PVDC, PVDF) place extremely demanding requirements on screen changers, including corrosion resistance, temperature stability, rapid operation, and easy cleaning.

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XPS Extruded Board

The specialized non-stop screen changer for XPS extruded board is a high-tech product patented in China. The screen changer adopts a self-locking multi-station structure with an automatic positioning and guiding system.

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BOPP、BOPET

These plastic products are characterized by high transparency, high precision, and relatively high forming temperatures, such as BOPET, PET strapping, PET sheets, etc.

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Cast Film, Sheet, and Plate

The specialized non-stop screen changer for cast film, sheet, and plate production employs multi-screen reciprocating filtration technology, enabling simultaneous filtration through single or multiple channels.

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PET and PVB Products

The dedicated non-stop screen changer for PET and PVB products is designed for plastic items characterized by high transparency, high precision, and relatively high forming temperatures, such as BOPET, PET strapping, and PET sheets.

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KT Board and EPE Foam

The dedicated non-stop screen changer for KT board and EPE foam is designed for specialized plastic processes involving high foaming levels. From startup to stable production, a gradual cooling period is required, during which continuous waste generation leads to significant material loss, and recycling of this waste is challenging.

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Strength creates a brand

ZHAOMING MACHINERY

Professional Screen Changer Manufacturer

Providing customers with complete and personalized polymer melt impurity removalsolutions.

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　Zhengzhou Zhaoming Machinery Co.,LTD.(Zhengzhou Zhaoming Research Institute)began in 1992,located in Zhengzhou National high-tech Development Zone,Henan Province,high-tech,specialized specialnew enterprises.Mainly engaged in the research and design,manufacturing,sales,export trade andtechnical services and training of screen changers and foam molds.It is the cradle of domestic oversizescreen changer,providing customers with complete and personalized polymer melt impurity removalsolutions.

　Zhaoming screen changer technology level is the first in China and belongs to the world's advancedlevel.Our company has passed the ISO three system and CE certification,has dozens of national patents and carries out in-depth cooperation with a number of scientific research institutions.

　Science and technology can imagine the future,over the years,we have been relying on the power ofscience and technology is committed to the development of special screen changers,and continue todevelop innovation,with the top design capabilities,advanced processing equipment,demanding qualityinspection,quality after-sales service,and strive to make each product do the ultimate!Zhaomingwelcomes friends at home and abroad to visit and cooperate!

24 h

7*24H service online

2011 year

Establishment time

10000 ㎡+

Area (square meters)

3000 +

Service customers

50 +

Patents and Honors

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Strength creates a brand

News & Blog

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2026-01-26

Ensuring product quality is vital to the enterprise!

To ensure product quality for enterprises, is a crucial and can not be ignored core elements.

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01-26

2026

Informatization will become the only way for small and medium-sized enterprises to enhance their competitiveness！

In today's ever-changing digital age, informatization has become the only way for enterprises to enhance their competitiveness.

01-26

2026

Official Website Launch: Delivering a Whole New Experience to Our Users.

We solemnly announce that our brand-new official website is officially live! This is a milestone moment, as we have brought users a brand-new online experience.

01-26

2026

The importance and strategy of market after-sales service guarantee！

In today's competitive market environment, the guarantee of after-sales service has become one of the key factors for enterprises to win the trust and loyalty of customers, and its importance is self-evident.

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Mobile: +860371-86256300

Phone: +8618236407321

Phone: +8618236915586

Email: huanwangqi@126.com

Address: No. 338, Lianhua Street, High-tech Zone, Zhengzhou City

Email：huanwangqi@126.com

Phone：+8618236915586

Phone：+8618236407321

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