Innovation Driven, Craftsmanship Defined

A Full‑Process Matrix of Custom Equipment

Empowering Sustainability, Guarding the Planet

About Us

南京蓝领环境科技有限公司

Nanjing Blue Collar Environmental Technology Co., Ltd. was founded in 1989 and has been focusing on the manufacturing of environmental protection equipment for more than 30 years. It is a national high-tech enterprise. The company is located in the Jiangbei National New Area of Nanjing, with a technology research and development center, a production and manufacturing center, a testing center, a provincial-level innovation space, and an environmental incubator. Our main products include: submersible mixers (standard, energy-saving, permanent magnet, stain…
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Main Products
Aeration System,Integrated Sewage Treatment Unit,Water Pump,Vertical Mixer,Sewage treatmen…

南京蓝领环境科技有限公司

<div>Nanjing Blue Collar Environmental Technology Co., Ltd. was founded in 1989 and has been focusing on the manufacturing of environmental protection equipment for more than 30 years. It is a national high-tech enterprise. The company is located in the Jiangbei National New Area of Nanjing, with a technology research and development center, a production and manufacturing center, a testing center, a provincial-level innovation space, and an environmental incubator.</div> <div>Our main products include: submersible mixers (standard, energy-saving, permanent magnet, stainless steel), submersible extruders, MBBR packing fluidized extruders, submersible reflux pumps, axial flow pumps, deepwater mixing aerators, centrifugal/jet/mixing extruders, paddle/frame/hyperbolic mixers, side entry mixers, as well as a series of non-standard equipment such as grid cleaning machines, shaftless screw conveyors, mud scrapers, sand water separators, etc.</div> <div>Blue collar always adheres to the core concept of "craftsmanship spirit, technology driven", and leads development with innovation. Thank you to every partner who understands and trusts blue collar workers. We will continue to deeply cultivate the environmental protection industry and contribute to building a green, harmonious, and beautiful earth<span style="font-size:16px;"><span style="font-size:16px;">.</span></span> <div><img title="default name" src="https://bsg-i.nbxc.com/product/5d/ba/f0/df3437017b29df97139da9686c.png" alt="default name" /></div> </div>

About Us

Driving Sustainable Water Solutions

Driving Sustainable Water Solutions

Established in 1989, Lanling Environmental Technology Co., Ltd. is a national high-tech enterprise dedicated to manufacturing premium environmental equipment. For over three decades, we have built integrated capabilities in R&D, precision production, and rigorous quality control. Specializing in custom-engineered water treatment solutions—including mixers, aerators, and separation systems—we serve diverse global sectors such as municipal, industrial, and aquaculture. Committed to innovation and reliability, Lanling empowers clients worldwide with efficient, sustainable technologies for cleaner water and a greener planet.

MAIN PRODUCT

LPC Pipe Centrifugal Pump

LPC Pipe Centrifugal Pump

Hyperbolic mixer equipment processing

Hyperbolic mixer equipment processing

High Power GQDTM Mixer Hygienic Construction

High Power GQDTM Mixer Hygienic Construction

Cjb Type Wall Mounted Mixer

Cjb Type Wall Mounted Mixer

316 Stainless Steel Submersible Mixer Industrial QJB Typ

316 Stainless Steel Submersible Mixer Industrial QJB Typ

SBJ aeration and stirring dual-purpose

SBJ aeration and stirring dual-purpose

Jet Aerator processing equipment

Jet Aerator processing equipment

QUALIFICATIONS AND HONORS

Quality Management System Certification

Quality Management System Certification

ISO9001:2015 (GB/T19001‑2016) quality management system certificate for production of sewage‑treatment environmental protection equipment, issued by Zhejiang Shengbiao Testing Certification Co.,Ltd. Valid until Sep‑21‑2026.

Environmental Management System Certification

Environmental Management System Certification

ISO14001:2015 (GB/T24001‑2016) environmental management system certificate covering production & management of sewage‑treatment environmental protection equipment. Valid until Sep‑21‑2026.

OHSMS Certification (ISO45001:2018)

OHSMS Certification (ISO45001:2018)

ISO45001:2018 (GB/T45001‑2020) occupational health & safety management system certificate for production and related management of sewage‑treatment environmental protection equipment. Valid till 2026‑09‑21.

Low Voltage Directive Attestation of Conformity

Low Voltage Directive Attestation of Conformity

EU LVD 2014/35/EU conformity certificate for submersible mixers. Complies with EN IEC 60335‑1, EN IEC 60335‑2‑41 and EN 62233:2008. Issued by UDEM, valid until 01.04.2030.

Attestation of Conformity (EU RoHS Directive 2011/65/EU)

Attestation of Conformity (EU RoHS Directive 2011/65/EU)

RoHS compliance attestation for submersible mixers, complying with relevant EN standards. Issued by ECES, valid from 15‑04‑2025 to 15‑04‑2030.

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