I. General Overview
1. Name, Model, and Specification
Name: Computer-Controlled Compression and Flexural Testing Machine
Model: YAW-300C
2. Applicable Standards
ISO 679:2009 Cement - Test methods - Determination of strength
GB/T 17671-2021 Method of testing cements - Determination of strength (ISO method)
JC/T 724-2005 Electric Flexural Testing Machine for Cement Mortar
JC/T 960-2022 Automatic Compression Testing Machine for Cement Mortar Strength
3. Functional Overview
Our state-of-the-art YAW-300C Computer-Controlled Compression and Flexural Testing Machine is expertly crafted in compliance with GB/T 17671-2021, JC/T 724-2005, and JC/T 960-2022. This advanced testing apparatus is meticulously engineered to measure the compressive and flexural strength of concrete and cement mortar specimens with utmost precision.
Equipped with a cutting-edge high-precision servo motor, this machine boasts force closed-loop control, ensuring constant load rate or constant stress rate loading. Its exemplary control accuracy and outstanding reliability make it the ideal solution for laboratories conducting extensive continuous testing.
Recognized as an indispensable tool, this testing machine is perfectly suited for esteemed institutions specializing in building materials, construction engineering, quality supervision, metrology, research, and academia.
4. Technical Specifications
Item |
Compression Test |
Flexural Test |
Maximum Test Force |
300 kN |
10 kN |
Constant Loading Rate |
0.3 kN/s ~ 9.9 kN/s |
0.05 kN/s |
Distance Between Platens |
230 mm |
- |
Compression Plate Diameter |
φ120 mm |
- |
Piston Maximum Stroke |
90 mm |
70 mm |
Cross-Section Dimensions |
- |
40 mm |
Support Span |
- |
100 mm |
Machine Accuracy Parameters:
Item |
Specification |
Indication Relative Error (Accuracy) |
±0.5% |
Indication Repeatability Relative Error |
0.5% |
Zero Return Relative Error |
±0.1% |
Relative Resolution of Force Indication |
0.5% |
Zero Drift |
≤±0.1% |
Power |
1.5 kW |
Power Supply |
AC 220V (±10%) |
Dimensions (L×W×H) |
930 mm × 590 mm × 1550 mm |
Net Weight |
400 kg |
II. Basic Structure
This marvel of engineering comprises a sophisticated screw-nut drive mechanism, robust main frame, cutting-edge control system, precision sensors, and a PC-based force measurement controller for unparalleled performance.
- Compression section: The design incorporates two impeccably aligned vertical columns connected with a sturdy base plate, featuring a meticulously placed lifting screw-nut mechanism beneath the plate for flawless operation.
- Flexural section: Adopting an equally robust two-column structure, the upper beam seamlessly integrates with the base plate. The compression load cell is expertly mounted on the underside of the upper beam. The flexural section columns extend downward, securely affixed to the compression section's base plate, ensuring stability and precision.
- The screw-nut loading mechanism guarantees unmatched precision through its expertly threaded interlocking design.
- Our servo motor is securely mounted on the base with a reliable bracket, ensuring smooth, efficient, and low-noise operation for superior user experience.
- The advanced PC-based force measurement system is strategically installed on the side of the main machine to provide seamless functionality.
This innovative machine replaces traditional hydraulic loading with a superior screw-nut drive powered by a servo motor, offering silent operation, eliminating oil contamination, and ensuring a robust, dependable structure. Experience precise displacement control and user-friendly operation, requiring no calibration – simply plug in and start testing with ease.
Packing List
No. |
Item |
Quantity |
Unit |
1 |
Main Machine Unit |
1 |
Set |
2 |
Controller / Test Software |
1 |
Piece |
3 |
Computer |
1 |
Unit |
4 |
Compression Test Accessories |
1 |
Set |
5 |
Flexural Test Accessories |
1 |
Set |
6 |
Certificate of Conformity |
1 |
Copy |
7 |
Packing List |
1 |
Copy |
8 |
User Manual |
1 |
Copy |

As a preeminent leader in the realm of testing equipment manufacture, boasting over two decades of unparalleled industry knowledge, our esteemed NAKE Group thrives with the unwavering support of a specialized team of over 20 R&D experts, more than 50 adept production technicians, and a proficient after-sales service squad exceeding 10 members. Our cutting-edge manufacturing and office premises, sprawling over 4,000 square meters, exemplify our commitment to innovation and excellence. We proudly hold the distinguished badge of a National High-Tech Enterprise in the esteemed nation of China.
Adhering to the rigorous standards of an ISO 9001:2015-certified quality management framework, we exercise meticulous control at every phase of the production process. By sourcing an impressive 5,000 tons of raw materials annually and maintaining comprehensive in-house machining and assembly capabilities, we outpace industry counterparts with a remarkable 3% manufacturing cost edge, all while steadfastly ensuring superior product consistency.
In the past five years, we have consistently achieved an exceptional on-time shipment rate exceeding 98.2%, a remarkably low product failure rate below 0.3%, and an impressively minimized rework rate under 0.28%, highlighting our unwavering dedication to precision, reliability, and excellence in quality. Moreover, our OEM manufacturing services cater to over 20 Chinese exporters, enabling the annual production of approximately 600 units of mechanical testing equipment, thereby solidifying our authoritative position in the industry.
Our distinguished brand, NAKE Test Equipment, commands recognition and respect across the vast expanse of China, with our products making their mark in over 30 countries across the globe. As a direct manufacturer endowed with independent R&D and production prowess, we extend substantial advantages over mere distributors and intermediaries, particularly in the realms of technical expertise, bespoke product customization, and cost-effectiveness.




After - Sales Service introduction:
1. Enjoy peace of mind with our comprehensive one-year product warranty, ensuring your investment is protected.
2. Experience the advantage of cutting-edge technology with our commitment to providing free software updates for the lifetime of your product.
3. Benefit from our unwavering dedication to excellence with permanent maintenance services, keeping your equipment in pristine condition.
4. Gain access to expert guidance at your fingertips with our convenient remote video support, tailored to meet your needs.
1. Is your company a manufacturer or a trading company?
We are a professional manufacturer of materials testing equipment with independent R&D, production, and assembly capabilities. All core components are machined and assembled in-house, ensuring superior quality control, production efficiency, and cost management. Compared to distributors or intermediaries, we offer greater technical expertise, product customization, and competitive pricing.
2. How do you ensure product quality?
We implement strict quality control measures:
ISO 9001:2015-certified quality management system ensures process stability.
In-house machining and assembly of key components guarantee consistency and reliability.
Over the past five years, our product failure rate has remained below 0.3%, with a rework rate under 0.28%, significantly outperforming industry averages.
3. What is your typical lead time?
With an efficient production system, we have achieved an on-time delivery rate exceeding 98.2% over the past five years. Lead times vary based on order volume and product type:
Standard models: 15-30 days
Customized products: Lead time depends on design complexity
4. Do you offer OEM or ODM services?
Yes, we provide OEM manufacturing services for 20+ Chinese exporters, producing approximately 600 units of testing equipment annually. We offer custom branding, software interface modifications, and functional upgrades to meet client requirements while ensuring compliance with international standards.
5. What industries are your testing machines used in?
Our testing equipment is widely applied in various industries, including:
Metals & composites
Rubber & plastics
Construction & civil engineering
Aerospace & automotive manufacturing
Research institutes & university laboratories
6. What after-sales services do you provide?
We offer comprehensive after-sales support, including:
Remote technical assistance: Installation guidance, troubleshooting, and maintenance support via phone, email, or video.
On-site services (available in select regions): Professional engineers can provide installation training and repair services if needed.
Spare parts supply: Long-term availability of original factory parts to ensure stable equipment operation.
Equipment upgrades & software updates: Functional upgrades and software optimizations as per customer needs.
7. How can I request a quote or place an order?
You can contact us through:
Phone/Email Inquiry: Provide your specific requirements, and our sales team will respond within 24 hours.
Custom Solutions: If you have special testing needs, our engineering team can offer tailored solutions and detailed quotations.
8. What are your competitive advantages over industry peers?
Full in-house production for superior quality control: Key components are machined in-house, ensuring consistency and durability.
Manufacturing cost advantage: Our optimized supply chain results in a 3% lower production cost compared to industry averages, providing a cost-effective solution for customers.
Exceptional delivery performance: 98.2%+ on-time delivery rate, ensuring smooth project execution.
Global market experience: Products exported to 30+ countries, meeting multiple international standards.