Drainage materials are a series of materials used for various water facilities such as sewage discharge, environmental protection, and tap water, generally including drainage pipes, drainage valves, drainage networks, U-shaped drainage ditches, etc

China Railway Corporation Standard: "Railway Engineering Geosynthetic Materials Part 6: Drainage Materials" Q/CR 549.6-2017

(1) The product classification method, naming format, product specifications, and application scope of drainage materials are formulated (2) Technical requirements for drainage materials have been formulated, with clear requirements put forward in terms of appearance quality, raw materials, and technical performance indicators (3)

Function of testing report:

1. Project bidding: Issue authoritative third-party CMA/CNAS qualification report

2. Online e-commerce platform entry: Quality inspection report recognized by major e-commerce platforms

3. Used as a sales report: issuing legally effective testing reports to make consumers more confident

4. Papers and research: Provide professional personalized testing needs

5. Judicial services: providing scientific, fair, and accurate testing data

6. Industrial problem diagnosis: Verify the troubleshooting and correction of industrial production problems

100% inspection and testing process:

1. Telephone communication and confirmation of requirements

2. Recommend solutions and confirm quotations

3. Mail samples and arrange testing

4. Progress tracking and result feedback

5. Provide reports and after-sales service

6. If urgent or priority processing is required

Testing and testing characteristics:

1. The testing industry is fully covered, meeting different testing needs

2. Fully cover the laboratory and allocate localized testing nearby

3. Engineers provide one-on-one services to make testing more accurate

4. Free initial testing, with no testing fees charged

5. Self service order delivery for free on-site sampling

6. Short cycle, low cost, and attentive service

7. Possess authoritative qualifications such as CMA, CNAS, CAL, etc

8. The testing report is authoritative and effective, and is generally used in China