/lamella clarifier /dissolved air flotation manufacturers



Wastewater from different factories varies greatly. For some factories even though in the same industry, the wastewater quantity and quality are different because of different processing technology and equipment.

For some factories with a big area and cheap labor cost, a project design with a large size but with low operation cost (chemicals cost, electricity, etc.) will be more suitable. While for some clients with limited land and high labor cost, a more compact and automatic project design will be more welcomed.



We will talk with you to get the necessary data for the project design. Your local electricity, available land area for installation, and your requirements and concerns will all be paid attention to.

Suitable & customized project design means that we can properly purify the wastewater to reach expected requirements and save your daily operation cost. 


As the wastewater treatment manufacturers,Jinwantong can provide customized wastewater treatment solution. We have mature technologies and over 12 years of experience in practical project design. Please contact us.

Main Products

Jinwantong Environmental Science and Technology Co., Ltd. is a wastewater treatment equipment company. We focus on DAF Dissolved Air Flotation, Lamella Clarifier, Screw-Type Sludge Dehydrator, Package Sewage Treatment Plant, Industrial Wastewater Treatment Plant, Peripheral Drive Sludge Scraper, Central Drive Sludge Scraper, CPI Corrugated Plates Interceptor, Sand Filter, Activated Carbon Filter and Dosing Machine, etc.


Qingdao Jinwantong Environmental Science and Technology Co., Ltd. is an experienced ISO9001-certified manufacturer of wastewater treatment equipment in Qingdao, China.


Started in 2006, Jinwantong has passed ISO9001:2000 International Quality System Authentication in 2007. In addition, we have got approved ISO9001-2008 in 2015 and ISO9001-2015 in 2018.

All products are strictly designed and manufactured under China GB and International ASME standards. Our excellent performance and thoughtful service have helped us win a high reputation from customers in both the domestic and abroad markets. For a better and greener future, we are here waiting to work together with you!


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