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.

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.
Fixed Source Emission Monitor
Ambient Air Quality Monitor
VOCs Monitor&Mobile Source
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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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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Lonying Showcases Environmental Monitoring Solutions at International Environmental Exhibition

Lonying attended the grand international environmental technology exhibition held from January 26 to 28. As a professional provider of high-quality environmental monitoring instruments, we displayed our reliable solutions for flue gas, exhaust, particulate matter and water quality monitoring.As a ke

28/2026-01

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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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