ABOUT US
Tailored Excellence in Polyethylene Mixers
Vision and Mission
With 20 years of expertise, Landwill Co., Ltd is a leading manufacturer of polyethylene concrete mixers. We take great pride in operating one of the most advanced polyethylene concrete mixer production facilities, ensuring that every product meets the highest standards of performance and reliability.
To further our commitment to excellence, we introduced the RollyCarri brand, aiming to bring more efficient and user-friendly concrete mixers to workers and builders worldwide.


Expertise and Quality
Commitment to Quality and Innovation
Our production team boasts over 20 years of experience in manufacturing high-quality poly concrete mixers.Our advanced facility features automated welding robots, rotational molding machines, laser cutting, and powder coating lines.
Our mission is to enhance comfort, safety, and productivity on job sites, empowering professionals with tools that make their work smoother and more secure.
Powering Reliable Performance
Self-Developed Mixer Motors
we take pride in our self-developed mixer motors, each designed and manufactured in-house to ensure superior quality and reliability. Our motors are UL-certified, reflecting our commitment to meeting the highest safety and performance standards.
With our own factory, we deliver stringent quality control across all products and offer flexible OEM and ODM services for customized solutions.

QUALITY CONTROL MECHANISMS
Material Quality Contral
Material Procurement Manager (MPM) ensures that only high-quality materials are sourced, while Incoming Material Inspectors (IMI) conduct physical, chemical, and performance tests to verify compliance.

In-Process Quality Inspections
In-Process Inspectors (IPI) conduct real-time checks during production, verifying that all manufacturing specifications and quality benchmarks are consistently met.
Final Product Testing
Final Product Test Engineers (FPT) perform stress, durability, and operational tests on each unit, ensuring that all mixers meet strict performance and safety standards.

Compliance and Certification
Quality Control Manager (QCM) oversees all quality procedures, ensuring that products fully comply with ISO 9001 and CE certification standards through rigorous assessments.
Continuous Improvement
QCM leads periodic reviews based on customer feedback, audit reports, and production data, implementing enhancements to optimize both product design and manufacturing.
Delivery Management
Logistics Manager (LM), Production Manager (PM), and Order Processing Team (OPT) collaborate for efficient production, timely shipping, and on-schedule delivery, while Inventory Control Specialist (ICS) maintains stock levels to prevent any delays.
"We warmly invite all our partners to visit our factory and see our commitment to excellence firsthand."
Unlock Exclusive Benefits and Start Your Success Journey with RollyCarri!
GET A QUOTE
FAQ:
To become a distributor or dealer for RollyCarri's products, you have several options:
- Fill out the Quote form on our website.
- Complete the application form in our Dealer Network section.
- Send an email directly to Sales@rollycarri.com for more information.
After submitting your information through any of these methods, our professional sales team will contact you to discuss the opportunity further and provide additional details about becoming a RollyCarri distributor or dealer.
The process for shipping via sea freight depends on your specific situation:
If you have your own freight forwarder:
After we've reached a cooperation agreement, you can have your forwarder contact us directly. The standard shipping term we typically use is FOB (Free On Board).If you lack import experience:
Don't worry if you're new to importing or don't have a preferred forwarder. We can assist you by arranging sea freight logistics on your behalf. In this case, we'll provide you with a transparent quote that includes all transportation costs.
In either scenario, we're committed to ensuring a smooth shipping process. Our team is ready to work with your preferred method or guide you through the process if you need additional support.
Our approach to minimum order quantity (MOQ) involves a staged process:
Sample Phase:
Before formal cooperation, we first send product samples for your evaluation.Trial Order:
Following the sample phase, we proceed with a small quantity shipment as a trial order. This allows you to conduct market testing and initial promotional activities.Regular Orders:
Once formal cooperation begins, we strongly recommend optimizing your shipments for a 40-foot high cube container. This container size typically offers the most cost-effective solution for sea freight.
Yes, we provide a comprehensive set of marketing materials to support our partners. This includes:
- Promotional posters
- Product manuals
- Brochures
- Digital marketing assets (images, videos, etc.)
Please contact our marketing team at marketing@rollicarri.com to request these materials.
For warranty claims, please contact your dedicated service advisor or email our after-sales service team at Service@rollicarri.com. Provide pictures of the product issue, the product batch number, and a detailed explanation of the problem. Our team will assess the issue and provide the best possible resolution.
