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Laizhou Shengtai Plastic Machinery Co., Ltd.
Professional Manufacturer of Plastic Extrusion Machinery & Recycling Equipment in Shandong, China
Blow Molding Machine
Pelletizing Machine
Plastic Pipe Machine
Plastic Sheet Machine
OEM & ODM
Address: Laizhou City, Yantai, Shandong Province, China
Founded: January 8, 2012 | Enterprise Type: Manufacturing Enterprise | Status: Active
OEM & ODM Accepted
Energy Saving
High Efficiency
Global Export
Company Overview
Established in 2012, a professional manufacturer focusing on plastic machinery and recycling equipment for more than 12 years.
Located in Laizhou, Shandong Province, a well-known hub for plastic machinery manufacturing in northern China.
Specialized in R&D, production and sales of plastic extrusion lines, pelletizing machines, blow molding machines and auxiliary equipment.
Adopts high-strength alloy steel and advanced heat treatment technology to ensure machine durability.
Provides customized solutions for plastic pipes, sheets, profiles, granules and recycling applications.
Products widely used in building materials, packaging, agriculture, automotive and waste recycling industries worldwide.
Core Products
| Category | Main Equipment | Features | Applications |
|---|---|---|---|
| Plastic Extrusion Lines | Single screw extruder, twin screw extruder, die head, cooling tank, haul-off | High output, stable extrusion, low energy consumption, easy operation | PP/PE/PVC pipe, PVC profile, sheet, granule production |
| Pelletizing Machines | Recycling pelletizing line, underwater pelletizer, strand pelletizer | Efficient recycling, uniform pellets, low noise, durable | Recycling of PE, PP, PS, ABS waste plastic |
| Blow Molding Machines | Extrusion blow molding, injection blow molding, accumulative head machine | High precision, good surface finish, automatic control | Plastic bottles, containers, drums, auto parts |
| Auxiliary Equipment | Crusher, mixer, dryer, automatic feeder, mold temperature controller | Compact design, reliable performance, easy maintenance | Support for main plastic processing lines |
Production Equipment
• CNC machining centers and precision lathe processing equipment
• Automatic cutting, bending and welding production lines
• Heat treatment and quenching equipment for parts strengthening
• Forging and casting processing equipment
• Precision testing instruments and hardness testing machines
• Full-load performance testing equipment for finished products
Quality & Certifications
Strict quality control system covering raw material inspection to finished product delivery.
100% full inspection and performance testing before shipment to ensure product qualification.
Adopts high-quality alloy steel and national standard raw materials.
Comply with ISO9001 quality management system certification.
Complete quality traceability system for all export products.
Professional quality inspection team to ensure stable and reliable quality.
Technical Advantages
– Professional R&D team with rich experience in plastic machinery design.
– Advanced screw design technology to improve plasticizing efficiency by 30%.
– Precision machining technology to ensure high matching accuracy of machine parts.
– Modular design for easy installation, replacement and overseas maintenance.
– Customizable output, motor power and electrical system according to customer requirements.
– Continuous technical optimization for processing various plastic materials.
Cooperation & Trade Terms
MOQ: 1 set (complete machine)
Lead Time: 15-30 working days for standard machines
Payment Terms: T/T 30% deposit, 70% before shipment
Delivery Terms: FOB Qingdao or CIF destination port
Warranty: 12 months warranty + lifelong technical support
Packing: Standard export fumigation-free wooden case with moisture-proof and shockproof treatment
Service & Support
Free technical consultation and machine selection guidance for global customers.
Customized design and production based on customer’s raw materials and output requirements.
Online installation guidance and remote technical training.
24/7 online after-sales service and technical support.
Sufficient spare parts inventory for fast international delivery.
Long-term after-sales service and regular maintenance guidance.
Market & Customers
Long-term cooperative suppliers for domestic plastic product manufacturers.
Products sold to all major plastic processing regions in China.
Exported to Southeast Asia, Middle East, Africa, South America and Central Asia.
Supplied two complete PP pipe extrusion lines to a construction company in Uzbekistan in 2024, running continuously for 6 months with stable output.
Delivered a customized PE film recycling pelletizing line to a recycling factory in Nigeria in 2025, increasing production efficiency by 25%.
Won high recognition and long-term cooperation from global customers.
Why Choose Us?
12+ years of professional experience in plastic machinery manufacturing.
Factory direct sales with competitive price and high cost performance.
High-quality machines with energy saving, high efficiency and long service life.
Strong customization capacity to meet various production requirements.
Complete export service and perfect after-sales support system.
Stable delivery time and reliable long-term partnership.