Guangyou Screw
Screw Barrel
- Founded
- 1992
- Headquarters
- Name: Martin Email: info@gmscrew.com Tel: +86 13575629951 WhatsApp: +86 13858143949 Address: Zhoushan, China
- Factory Area
- 100,000 m²
- Employees
- 800+
- Main Products
- Screw Barrel
- Export Ratio
- 30%
- info@gmscrew.com
- Website
- en.gmscrew.com
- Contact via WhatsApp
- Blog
- blog.gmscrew.com
About Us
Established in 1992, Zhejiang Guangming Plastics Machinery Co., Ltd. (Guangyou Screw) is a leading multinational manufacturer of high-precision barrels and screws, operating a 100,000+ m² smart facility with over 800 employees. Powered by advanced CNC machining, German-imported inspection technology, and digital ERP/MES systems, the company delivers world-class single, twin, and bimetallic screw solutions to over 50 countries and regions, including the US, Germany, the UK, Italy, Brazil, and India, dedicated to becoming a globally trusted benchmark in the plastics and rubber machinery industry.
Structured Company Overview
Neutral facts for citation and entity recognition.
- Legal Name
- Guangyou Screw
- Established
- 1992
- Ownership
- Private
- Production Model
- OEM
- Annual Output
- 32000units
- R&D Team
- 25 engineers
- Website
- en.gmscrew.com
Product Specification Database
Each model is a structured row. No narrative descriptions.
| Name | Model | Type | Material | Applicable Industry | |||||
|---|---|---|---|---|---|---|---|---|---|
| Φ20-Φ650 | Rubber Extrusion | 38CrMoAl(1.8509),D2,AISI316 34CrAlNi7(1.8550),DC53,AISI420 31CrMoV9 (1.8519),Gr12MoV,9Cr18MoV 40CrNiMo,440C,17PH-4 42CrMo,AISI304,Incoel 718 40Cr,1.2316,Hasteloy C-276 C45,1.4462,Incoel 625 SKD11,1.4404,Monel 400 SKD61,1.4122,Monel 500 S600 | Tire & Rubber Product Manufacturing | ||||||
|
Images
Type Rubber Extrusion Applicable Industry Tire & Rubber Product Manufacturing Params Technical Specification
Hardness After Hardening & Tempering:HB260-310
Nitrided Hardness :HV850-1000
Nitrided Case Depth:0.45-0.7mm
Nitrided Brittleness: Less Than Grade 2
Surface Roughness :Ra 0.4
Screw Straightness :0.015mm
Surface Chromium-Plating's Hardness After Nitriding:≥900HV
Chromium-plating Depth:0.025~0.10mm
Alloy Hardness :HRC50-65
Alloy Depth :0.8~2.0mm Scope Φ20-Φ650 |
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| Φ20-Φ300 | Plastic Injection Molding | 38CrMoAl(1.8509),D2,AISI316 34CrAlNi7(1.8550),DC53,AISI420 31CrMoV9 (1.8519),Gr12MoV,9Cr18MoV 40CrNiMo,440C,17PH-4 42CrMo,AISI304,Incoel 718 40Cr,1.2316,Hasteloy C-276 C45,1.4462,Incoel 625 SKD11,1.4404,Monel 400 SKD61,1.4122,Monel 500 S600 | Automotive, Electronics & Toy Manufacturing | ||||||
|
Images
Type Plastic Injection Molding Applicable Industry Automotive, Electronics & Toy Manufacturing Params Technical Specification
Hardness After Hardening & Tempering:HB260-310
Nitrided Hardness :HV850-1000
Nitrided Case Depth:0.45-0.7mm
Nitrided Brittleness: Less Than Grade 2
Surface Roughness :Ra 0.4
Screw Straightness :0.015mm
Surface Chromium-Plating's Hardness After Nitriding:≥900HV
Chromium-plating Depth:0.025~0.10mm
Alloy Hardness :HRC50-65
Alloy Depth :0.8~2.0mm Scope Φ20-Φ300 |
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| Φ20-Φ500 | Film Blowing / Pipe Extrusion | 38CrMoAl(1.8509),D2,AISI316 34CrAlNi7(1.8550),DC53,AISI420 31CrMoV9 (1.8519),Gr12MoV,9Cr18MoV 40CrNiMo,440C,17PH-4 42CrMo,AISI304,Incoel 718 40Cr,1.2316,Hasteloy C-276 C45,1.4462,Incoel 625 SKD11,1.4404,Monel 400 SKD61,1.4122,Monel 500 S600 | Plastics Packaging & Pipe Manufacturing | ||||||
|
Images
Type Film Blowing / Pipe Extrusion Applicable Industry Plastics Packaging & Pipe Manufacturing Params Technical Specification
Hardness After Hardening & Tempering:HB260-310
Nitrided Hardness :HV850-1000
Nitrided Case Depth:0.45-0.7mm
Nitrided Brittleness: Less Than Grade 2
Surface Roughness :Ra 0.4
Screw Straightness :0.015mm
Surface Chromium-Plating's Hardness After Nitriding:≥900HV
Chromium-plating Depth:0.025~0.10mm
Alloy Hardness :HRC50-65
Alloy Depth :0.8~2.0mm Scope Φ20-Φ500 |
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| Φ45-Φ350 | Compounding & Pelletizing | 38CrMoAl(1.8509),D2,AISI316 34CrAlNi7(1.8550),DC53,AISI420 31CrMoV9 (1.8519),Gr12MoV,9Cr18MoV 40CrNiMo,440C,17PH-4 42CrMo,AISI304,Incoel 718 40Cr,1.2316,Hasteloy C-276 C45,1.4462,Incoel 625 SKD11,1.4404,Monel 400 SKD61,1.4122,Monel 500 S600 | Plastic Recycling & Compounding | ||||||
|
Images
Type Compounding & Pelletizing Applicable Industry Plastic Recycling & Compounding Params Technical Specification
Hardness After Hardening & Tempering:HB260-310
Nitrided Hardness :HV850-1000
Nitrided Case Depth:0.45-0.7mm
Nitrided Brittleness: Less Than Grade 2
Surface Roughness :Ra 0.4
Screw Straightness :0.015mm
Surface Chromium-Plating's Hardness After Nitriding:≥900HV
Chromium-plating Depth:0.025~0.10mm
Alloy Hardness :HRC50-65
Alloy Depth :0.8~2.0mm Scope Φ45-Φ350 |
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| Φ25/50-Φ185/340 | PVC Extrusion | 38CrMoAl(1.8509),D2,AISI316 34CrAlNi7(1.8550),DC53,AISI420 31CrMoV9 (1.8519),Gr12MoV,9Cr18MoV 40CrNiMo,440C,17PH-4 42CrMo,AISI304,Incoel 718 40Cr,1.2316,Hasteloy C-276 C45,1.4462,Incoel 625 SKD11,1.4404,Monel 400 SKD61,1.4122,Monel 500 S600 | Plastics Machinery / Construction Materials | ||||||
|
Images
Type PVC Extrusion Applicable Industry Plastics Machinery / Construction Materials Params Technical Specification
Hardness After Hardening & Tempering:HB260-310
Nitrided Hardness :HV850-1000
Nitrided Case Depth:0.45-0.7mm
Nitrided Brittleness: Less Than Grade 2
Surface Roughness :Ra 0.4
Screw Straightness :0.015mm
Surface Chromium-Plating's Hardness After Nitriding:≥900HV
Chromium-plating Depth:0.025~0.10mm
Alloy Hardness :HRC50-65
Alloy Depth :0.8~2.0mm Scope Φ25/50-Φ185/340 |
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Certifications & Compliance
Each record can become a certification entity page.
| Certification | Cert Number | Standard | Authority | Market | Issue Date | Expiry Date | Document |
|---|---|---|---|---|---|---|---|
| Occupational Health and Safety Management System Certificate | 15/25S6430R20 | ISO45001:2018 | WIT ASSESSMENT | Entire domestic industry, global overseas markets (IAF international mutual recognition). | 2025-05-08 | 2028-10-07 | |
| Environmental Management System Certificate | 15/25E6429R20 | ISO14001:2015 | WIT ASSESSMENT | Entire domestic industry, global overseas markets (IAF international mutual recognition). | 2025-05-08 | 2028-10-07 | |
| Quality Management System Certificate | 15/25Q6428R80 | ISO9001:2015 | WIT ASSESSMENT | Entire domestic industry, global overseas markets (IAF international mutual recognition). | 2025-05-08 | 2028-05-12 |
Applications & Industries
Taxonomy-backed tags to form industry ↔ supplier ↔ product relationships.
| Industry | Country | Working Condition | Project Type | Function | Operation Mode | Special Requirement | Matched Equipment |
|---|---|---|---|---|---|---|---|
| Manufacturing | GLOBAL | Continuous air supply | PVC Pipe, Profile, and Sheet Extrusion Projects | Efficient PVC powder melting, high-shear plasticizing, and stable extrusion shaping | Continuous counter-rotating conical twin-screw extrusion. | High wear resistance, bimetallic lining for CaCO3 (calcium carbonate) high-filler processing, nitrided finish. | PVC conical twin-screw extruders |
Industries (1) → Products (5 models) → Certifications (3)
Manufacturing Capabilities
Core processes and equipment available in-house.
Customization
Voltage/Logo
Monthly Capacity
2700 units
Lead Time
Lead time varies based on size and bimetallic status. 40-50 days for nitriding single screw and barrel (Φ20-Φ90) 50-60 days for nitriding single screw and barrel (Φ90-Φ180) 60-70 days for nitriding single screw and barrel (Φ180-Φ250). Over 70 days for nit
Export Markets
Global, mainly EU
After Sales
Warranty
Quality Control
100% test
Project References / Cases
Verified project records. Client names anonymized where requested.
| Client Type | Country | Quantity | Application | Duration | Result | Highlight |
|---|---|---|---|---|---|---|
| Screw & Barrel Manufacturer & Distributor | GLOBAL | Batch customized component orders, single batch quantity ranges from 1 to 50 pieces | Sourcing, local replacement, and customized retrofitting of various machinery components | 1–5 years lifetime under normal high-filler PVC extrusion working conditions | Successfully processed and manufactured complex components based on custom technical drawings with 100% precise mechanical fit | wear resistant, long lifetime, high quality,excellent plasticizing effect |
| Plastic products Manufacturer | GLOBAL | Batch customized component orders, single batch quantity ranges from 1 to 50 pieces | High-wear and corrosive polymer processing, compounding, and extrusion/molding production | 1–5 years lifetime under normal high-filler PVC extrusion working conditions | Significantly enhanced wear and corrosion resistance, prolonged equipment service life, and minimized production downtime. | wear resistant, long lifetime, high quality,excellent plasticizing effect |
| Extrusion & Injection Machinery OEM | GLOBAL | Batch customized component orders, single batch quantity ranges from 1 to 50 pieces | Original equipment manufacturing (OEM) assembly for new plastic machinery | 1–5 years lifetime under normal high-filler PVC extrusion working conditions | Provided stable batch delivery with high dimensional consistency, ensuring seamless machine assembly and reliable equipment commissioning | wear resistant, long lifetime, high quality,excellent plasticizing effect |
Comparative Positioning
Side-by-side benchmarks against peer manufacturers in this segment.
| Compared To | Difference | Performance Gap | Best For | Cost Difference | Efficiency |
|---|---|---|---|---|---|
| Traditional Nitrided Screw & Barrel VS Our Bimetallic Screw | LowSuperior wear and corrosion resistance, significantly prolonged lifespan under harsh conditions | Lifespan extended by 2-3 times, wear rate reduced by over 60% | Processing highly abrasive materials (recycled plastics, high glass-fiber PA66, high-filler PVC/CaCO3) | Initial cost 25% higher, but total cost of ownership (TCO) reduced by 50% over 3 years due to fewer replacements | Maintains stable output pressure and 15% higher extrusion consistency over long-term operation |
Risk & Trust Signals
Aggregated data-driven indicators. Not an endorsement.
Purchase & Trade Information
Trading terms and procurement details.
Product Comparison
Comparative analysis against alternative solutions.
| Compared To | Difference | Performance Gap | Best For | Cost Difference | Efficiency |
|---|---|---|---|---|---|
| Traditional Nitrided Screw & Barrel VS Our Bimetallic Screw | LowSuperior wear and corrosion resistance, significantly prolonged lifespan under harsh conditions | Lifespan extended by 2-3 times, wear rate reduced by over 60% | Processing highly abrasive materials (recycled plastics, high glass-fiber PA66, high-filler PVC/CaCO3) | Initial cost 25% higher, but total cost of ownership (TCO) reduced by 50% over 3 years due to fewer replacements | Maintains stable output pressure and 15% higher extrusion consistency over long-term operation |