Your Professional HDPE Reducing Coupling Manufacturers
Jiangshan Lanchuan Plastic Co., Ltd., located in Jiangshan City, Zhejiang, was established in 2022. The company specializes in high-quality plastic products, combining modern R&D, production, and sales with strict quality control. Leveraging Jiangshan’s strategic location and industrial support, it provides reliable plastic solutions and services for a wide range of customers.
Why Choose Us
Quality Manage
The company holds authoritative quality inspection reports and has passed safety and environmental management certifications. It ensures reliable product quality, operational safety, and green development. Customers enjoy trustworthy products and services while the company practices sustainable development.
Production Equipment
The company has injection molding machines, mechanical arms, pipe traction machines, crushers, and mixers for full-process production. Automated and professional equipment ensure stable production efficiency and product precision. Recycling systems support green production and high-quality output.
Production Market
The company’s drainage pipes serve government projects, hotels, schools, hospitals, high-end residences, and industrial buildings. Stable products and reliable delivery have earned strong market recognition.
Our Service
We provide one-on-one pre-sale consultation to tailor solutions for each customer. During production, quality, delivery, and schedule are strictly controlled. After sales, we offer comprehensive tracking and fast response to ensure worry-free cooperation.

Durability
HDPE is known for its exceptional resistance to corrosion, impact, and stresses. This durability ensures that reducing couplings will last for many years, minimizing the need for frequent replacements.
Lightweight
Easy to Install Compared to traditional metal fittings, HDPE reducing couplings are lightweight, making transportation and installation easier. This feature also reduces labor costs during installation.
Cost-Effectiveness
While the initial investment in HDPE components may be higher than other materials, their long lifespan and minimal maintenance requirements translate to lower total ownership costs over time.
Environmental Impact
HDPE is recyclable, making it an environmentally friendly choice. Using reducing couplings can contribute to sustainable construction practices, reducing overall landfill waste.
Versatile
Connection Options The ability to connect pipes of differing sizes allows for flexible designs in piping systems, accommodating changes in flow rates or pressures as needed.
Applications of HDPE Reducing Couplings
Water Distribution Systems Reducing couplings are widely used in potable and non-potable water distribution systems. They facilitate the connection between pipes of varying sizes, which helps in effective resource management.
Irrigation Systems Agricultural irrigation systems benefit from HDPE reducing couplings as they connect tubing of different sizes, allowing for optimal water distribution across fields and ensuring that crops receive the right amount of hydration.
Industrial Pipelines In industrial settings, HDPE reducing couplings connect pipes transporting chemicals, gases, and other fluids. Their robust construction ensures a safe and reliable transfer, which is critical for maintaining operational efficiency and safety.
Product Description
|
Product name |
HDPE Reducer / reducing coupler |
|
Specification available |
DN63-630mm (outer diameter) |
|
SDR/pressure ratings |
SDR11 & SDR13.6 / SDR17 |
|
Material to be used |
Virgin PE80 or PE100 raw material |
|
Colors available |
Black, blue & yellow, or as per request. |
|
Standards that follow to |
EN12201-3, EN1555, EN ISO 15494 |
|
Samples available |
Yes, samples available for small quantity. |
|
Packing method |
Small dia. 63-280mm be packed by cartons, big dia.315-800mm be wrapped by PP bags |
|
MOQ |
Negotiable |
|
Production lead time |
7-10 days for a 20ft container, 10-15 days for a 40ft container. |
|
Warranty time |
15 years for normal use |
|
Payment term |
T/T or LC at sight |
Product Size
|
Size |
Pcs/CTN |
Weight/pcs |
CBM |
|
Φ25X20 |
160 |
99 |
0.041 |
|
Φ32X20 |
140 |
128 |
0.041 |
|
Φ32X25 |
140 |
148 |
0.041 |
|
Φ40X20 |
50 |
235 |
0.041 |
|
Φ40X25 |
50 |
238 |
0.041 |
|
Φ40X32 |
50 |
242 |
0.041 |
|
Φ50X25 |
34 |
400 |
0.041 |
|
Φ50X32 |
34 |
408 |
0.041 |
|
Φ50X40 |
34 |
416 |
0.041 |
|
Φ63X32 |
15 |
660 |
0.041 |
|
Φ63X40 |
15 |
670 |
0.041 |
|
Φ63X50 |
15 |
680 |
0.041 |
Ordering Process
Get A Quote
Please request a quote through our website and inquire about customization options.
Request Sample
Please request samples in advance to gain a comprehensive understanding of the product's materials and features prior to placing bulk orders.
Place Your Order
Place an order of your choice after selecting your preferred shipping option.
Start Production
Production will commence after design approval; it takes about 1-2 weeks.
Quality Inspection
After production is complete, the products undergo quality testing.
Shipping
The order is ready for dispatch to your location. Once it has been shipped out, we will inform you of the tracking information.
Packaging & Shipping

FAQ
As one of the leading HDPE reducing coupling manufacturers and suppliers in China, we're featured by quality products and good price. Please rest assured to buy customized HDPE reducing coupling made in China here from our factory. For pricelist, contact us now.
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