Cangzhou Aihua Instrument Technology Co., Ltd.

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The Casagrande liquid limit test involves dividing the soil paste in a soil dish into two halves using a knife, then dropping the dish from a height of 10 mm at a rate of 2 drops per second. When the number of blows reaches 25, the combined length of the two soil paste halves at the bottom of the dish just reaches 13 mm; the moisture content at this point is defined as the liquid limit. This product is designed and manufactured in accordance with the GB/T21997.1-2008 standard, and it complies with the following test methods and standards: SL 237-1999 “Code for Soil Testing,” JTG E40-2007 “Code for Highway Soil Testing,” TB10102-2010 “Code for Soil Testing in Railway Engineering,” GB/T50123-2019 “Standard Methods for Soil Testing,” JTG3430-2020 “Code for Highway Soil Testing,” JTG3432-2024 “Code for Aggregate Testing in Highway Engineering,” and ASTM D4318 “Standard Test Method for Liquid Limit of Soils.”

Technical Parameters

1. Electric drive 2. Built‑in shot counter with timer

3. Disc Drop Frequency: 120 strikes per minute (tolerance allowed)

Introduction

Cangzhou Aihua Instrument Technology Co., Ltd. (Abbreviation: Aihua Instruments) is a specialized enterprise providing material mechanics performance testing equipment, asphalt testing equipment, concrete testing equipment, and geotechnical testing equipment. Headquartered in the Chengdong Development Zone, Xian County, Cangzhou City, Hebei Province, the company is a technology-driven enterprise integrating the research and development, production, sales, and service of fully automated intelligent testing equipment.

Currently, the company supplies a wide range of products from stock, leveraging competitive pricing, proactive and customer-focused service, and a market-oriented approach. Every stage of the process is strictly controlled, with rigorous quality assurance applied to each product. The company is committed to continuous improvement, innovation, and excellence. Additionally, a comprehensive pre-sales and after-sales service system has been established.

FAQ

Can you accept small quantities?

Yes, accept small quantity, fast delivery

Do you have pre-shipment inspection procedures?

Yes, we always test the products before delivery.

Can I take samples for testing?

Yes, samples can be sent for testing before bulk ordering.

When is the delivery time?

Inventory orders within 7-15 days, for oem and odm orders, the specific time depends on the actual situation.

What are the terms of payment?

Wire transfer or letter of credit, Western Union, Alipay, etc.

Can I have my own custom product?

Yes. oem and odm can be provided, including design, logo, packaging, etc.

QT-2 Type Soil Cutting Disc

DS-1 Disc Liquid Limit Apparatus

DS-2 Electric Disc Liquid Limit Tester

The Casagrande liquid limit test involves dividing the soil paste in a soil dish into two halves using a knife, then dropping the dish from a height of 10 mm at a rate of 2 drops per second. When the number of blows reaches 25, the combined length of the two soil paste halves at the bottom of the dish just reaches 13 mm; the moisture content at this point is defined as the liquid limit. This product is designed and manufactured in accordance with the GB/T21997.1-2008 standard, and it complies with the following method standards: SL 237-1999 “Code for Soil Testing,” JTG E40-2007 “Code for Highway Soil Testing,” TB10102-2010 “Code for Soil Testing in Railway Engineering,” GB/T50123-2019 “Standard Methods for Soil Testing,” JTG3430-2020 “Code for Highway Soil Testing,” JTG3432-2024 “Code for Aggregate Testing in Highway Engineering,” and ASTM D4318 “Standard Test Method for Liquid Limit of Soils.”

E-mail:

zzt@aihuayiqi.com

WhatsApp:

+86 13623112024

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Our Advantages

Integrated R&D and Manufacturing

We control the entire process from innovation to delivery, specializing in the development, production, and servicing of fully automated intelligent testing equipment.

Comprehensive Product Portfolio

We provide professional testing solutions across four key fields: Material Mechanics, Asphalt, Concrete, and Geotechnical engineering, meeting diverse industry and research needs.

Quality Assurance and Fast Delivery

Every product undergoes strict quality control throughout production. With ready stock and a strategic location near major transport links, we ensure reliable and timely delivery.

Full Lifecycle Customer Support

We offer end-to-end service—from pre-sales consultation to after-sales support—driven by a customer-first approach and a commitment to continuous innovation.

Payment and Distribution

T/T L/C

★ If your order is not large, we can send it to you via TNT, DHL, UPS or EMS, etc.

★ If your order is large, we would recommend that you use air or sea freight through the freight forwarder you specify. We also have long-term cooperative agents.

7 to 10 working days