VOCs Detector & Exhaust Gas Analyzer Manufacturer

Who We Are

Qingdao Laoying Haina Opto-electronic Environmental Protection Group Co., Ltd.

Our Company is an integrated environmental monitoring service provider covering multiple industries such as environmental monitoring equipment, optical sensing, and intelligent data. Over the years, Lonying has made in-depth investments in the environmental monitoring field and has now established a complete industrial chain from core components, terminal equipment, scene applications, cloud-based supervision to comprehensive services.

Lonying engineers conducting field tests with industrial exhaust gas analyzer

Top Selling Products

Lonying uses self-developed optical spectroscopy and intelligent algorithms to tackle core technologies. It participates in many national standards and projects, promoting intelligent and precise environmental monitoring.
Lonying fixed source exhaust gas analyzer with sampling probe
Fixed Source Emission Monitor
Portable outdoor air quality monitor in rugged transport case
Ambient Air Quality Monitor
Intelligent portable VOCs detector with mobile control interface
VOCs Monitor&Mobile Source
Automated laboratory water quality monitor for environmental testing
Water Quality Monitor

Main Products

Our Company is one of the leading manufacturers of environmental and industrial analysis instruments.With strong R&D capacity, we have developed various portable
flue gas sampler & analyzers, portable dust samplers&analyzers,and ambient air quality monitors.

Fixed Source Emission Monitor

Qingdao Lonying Haina

The LONYING Advantage: 
Built to Last, Backed by Expertise
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The company covers an area of over 100,000 square meters
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The company was 
established in 1988
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It has a professional team of nearly 
300 people
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A registered capital of 
33 million yuan

Application Scenarios​​​​​​​

Industry Insights & Product Knowledge

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Successful Sales Launch in Germany: LY-3012H-D Integrated Dust/Gas Tester Officially Launched

Starting from the beginning of this year, our company has officially launched the LY-3012H-D integrated dust and gas tester in the German market through strategic cooperation with European distribution partner TMG. As a multifunctional stationary source emission monitoring device, the LY-3012H-D adopts pitot tube isokinetic sampling and filtration weighing method, enabling accurate testing of particulate matter and synchronous analysis of multiple flue gas components including O₂, SO₂, NOₓ, CO and CO₂. This market entry marks a key milestone in our European business expansion. Supported by localized promotion and continuous technical optimization, we aim to provide compliant, high-performance environmental monitoring instruments and professional emission monitoring solutions for Germany and wider European markets.

14/2026-05
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IE Expo·Shanghai

Dear Partners,We are pleased to inform you that the 27th China IE Expo will be held from April 13 to 15, 2026 at the Shanghai New International Expo Centre.

13/2026-04
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Qingdao Laoying Haina Holds The 1st Maintenance Skill Competition in 2026

On February 26, 2026, Qingdao Lonying Haina held the 2026 Maintenance Skill Competition to improve the professional and practical abilities of its after-sales team. Under the theme of “promoting learning through competition and application through practice”, the event combined theory and practice to

26/2026-02

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We actively participate in the implementation of the "carbon neutrality" strategy, contributing technical strength to protect green mountains and clear waters, and are a trustworthy environmental protection technology partner.
  • Q What are the payment methods?

    A The common payment methods are as follows: A certain percentage of the payment is made upon signing the contract, and the full amount is paid before the goods are dispatched.
  • Q Are product demonstrations or prototype tests provided?

    A We strongly recommend that you visit our showroom or conduct on-site inspections of installed cases. For key clients and projects, we can negotiate and arrange for prototypes to be brought to your site for a short-term test to ensure that the equipment fully meets your actual operational requirements. 

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