Logo Made in Germany IE expo China 2017

Otto Graf GmbH

Booth number: 1528/1

About us

For more than 50 years, the GRAF brand has represented high-quality plastic products. We are the leading manufacturer for domestic wastewater treatment, storm water management and rainwater harvesting products. All products manufactured by GRAF have a high quality standard and they are proven by various testing institutes as TÜV, PLUS X award and BBA. We are selling our products in more than 70 countries worldwide. Our high class manufacutring plants are ISO 9001 and ISO 500001 certified.

Products and services

GRAF wastewater treatment plants achieve a cleaning performance of up to 99%. Less energy consumption and low maintenance, Graf wastewater treatment plants are reliable and cost effective.

GRAF stormwater management systems are suitable for various applications as rainwater infiltration, stormwater attenuation and rainwater harvesting. All GRAF products are usable for the "Sponge City Program" of China national government.

GRAF stormwater management systems:
- High storage volume
- Easy to install
- Up to 97% reservoir volume

GRAF waste water treatment systems:
- High cleaning performance with low maintenance
- High quality components


Otto Graf GmbH
Carl-Zeiss-Str. 2–6
79331 Teningen

Phone: +49 7641 589824
Fax: +49 7641 55589824

Hayjing Feng
Business Development Manager
Phone: +86 25 85725561

Graf China Environmental (Nanjing) Co., Ltd.
Jinma Lu 3, Maqun Science Park, Qixia District
210049 Nanjing
P.R. China

Phone: +86 25 85725561
Fax: +86 25 85725501

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Enviolet GmbH
Booth number: 1628/2