Founded in 1992, Jiangsu Longqiao Environmental Protection Machinery Co., Ltd. is located in Yixing which is reputed as an environmental protection county in Jiangsu province. It is a comprehensive high-tech environmental protection company integrating R&D, design manufacturing, installation and commissioning, construction and after-sales service. Meanwhile, awarded as AAA unit for observing contract and keeping promise in Wuxi, the company has passed ISO9001, ISO14001 and ISO45001 certifications with the self-run right of import and export and other qualifications.   

The company adheres to technical innovation as the development objective and establishes the long-term technical cooperation relationship with universities, colleges and R&D institutions. With dozens of new products developed, the company was also awarded as a High-tech Company in Jiangsu province in 2016.

The company sticks to honesty, pioneering and innovative spirit and continuous pursuit for excellence. Supported by technology and based on quality, its business operation is market-oriented. It is also devoted to providing quality and efficient products and services for customers and contributing to building a beautiful, sustainable and environmentally-friendly world.

  • IE expo showcase

  • IE expo showcase

  • Rendering of the factory area

  • Longqiao publicity

  • Workshops

  • IE expo showcase

  • IE expo showcase

  • IE expo showcase

About us
A collection of workshop delivery
Plus, the company has provided premium services for over 1,000 projects in 31 provinces, cities and autonomous regions in China and sold products to Asia, Africa, Europe and South America. Additionally, it has built positive cooperation relationship with over 10 countries and regions in the Americas, Southeast Asia, Europe, etc.
Active sand filter shipping plan
Large grid sludge remover
Large rotary grid machine
Large mechanical grid and gate
Mud scraper delivery
Peripheral drive mud scraper
Mud scraper delivery
Central drive mud scraper delivery
Integrated active sand filter tank
Centrifugal dewatering equipment delivery
Delivery of dosing device, mud scraper and centrifugal machine
Delivery of dosing device, mud scraper and centrifugal machine
Delivery of active sand filter
Delivery of active sand filter
Delivery of active sand filter
Delivery of mud scraper
Non-metallic chain-type mud scraper exported to the Philippines
Export to Vietnam
Workshop delivery - rotary filter
Workshop delivery - Vietnam
Workshop delivery – Integrated high-efficiency
Workshop delivery – Micro-filtration equipment
Workshop delivery
Workshop delivery –
Non-metallic  chain-type mud scraper
Workshop delivery –Siphonic mud suction equipment
Workshop delivery –Water distributor
Kitchen waste treatment equipment
100 m³lime feed bin delivery
Quick response
Tailor-made solutions
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· Providing Longqiao tailor-made solutions based on wastewater conditions  
· Customized design for each of your water drop
· Delivering exclusive products above the standard

Worry-free after-sales service

Jiangsu Longqiao Environmental Protection Machinery Co., Ltd.

Tel: +86-510-87589066   +86-510-87589068(Direct to mobile)

Email:longqiao@lqhb.com

ADD:No.16 Zhenze North Road,Xinzhuang Street,Yixing City, Jiangsu Province, China

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