Discussion on the Differences Between TDS-DYISHENG Pumps and Counterfeit Products Made in China

Many of our clients encounter Air-Operated Double Diaphragm (AODD) pump products online that resemble DYI SHENG’s TDS pumps, making it difficult to verify their authenticity. These lookalike products may be counterfeit and lack the quality standards of our genuine TDS brand. Additionally, counterfeit products are not eligible for DYI SHENG's comprehensive 1-year after-sales service.

How Can You Tell the Difference?

Here are a few key ways to identify a genuine TDS-DYISHENG pump:

Logo and Label Shape on the Pump Housing (Both Sides)
DYI SHENG introduced the TDS trademark brand in 2011, marking it as our sole authentic factory sales brand. Genuine TDS pumps feature distinctive labels on the housing, designed with specific shapes and imagery for easy identification.
Pipe Shape Differences
Please refer to the images below to note the differences in pipe shapes.
Nameplate and Serial Number
The nameplate on a genuine TDS-DYISHENG pump includes the following details:
- TDS trademark
- Country of origin (Taiwan)
- Company name (DYI SHENG)
- Product name (Air-Operated Diaphragm Pump)
- Manufacture date
- International certifications (CE and ISO9001)
Additionally, each pump manufactured by DYI SHENG has a unique serial number for identification and records. Only products with authentic serial numbers are eligible for our after-sales services.

If a pump lacks any of these features, it is likely counterfeit. Be cautious when searching for TDS pumps online.

If you have concerns about the authenticity of a TDS pump found online, feel free to contact us or purchase directly from us to ensure you receive an authentic product.

Please feel free to contact us for more information:

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