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Industry Plan (PDF)
China’s Ministry of Ecology and Environment
Technical Requirements and Testing Specifications for Oil-Fume Purification Equipment in the Catering Industry (Trial)
2021-11-25 Public Resource Download -
Industry Standards (PDF)
China’s Ministry of Ecology and Environment
Emission Standard for Cooking Fume in the Catering Industry (Trial)
2026-04-29 Public Resource Download -
Product catalog
Longde Fan Sales Department
Latest Product Parameter Specifications for Longde Fans
2021-11-30 Public Resource Download -
Exhaust Ventilation Implementation and Design Standards (Word)
Lunde Marketing Department
As the urban infrastructure strategy continues to advance, the development of commercial projects is steadily increasing…
2021-12-07 Public Resource Download -
General Pipe Resistance Selection Table (PDF)
Ministry of Housing and Urban–Rural Development of the People’s Republic of China
The document provides a detailed tabular reference of pipeline friction‑loss coefficients for various engineering applications.
2021-12-05 Public Resource Download -
Emission Standards for Cooking Fume in the Food Service Industry (PDF)
China’s Ministry of Ecology and Environment
This standard specifies the maximum permissible emission concentration of cooking fume from catering establishments and the purification of cooking fume…
2021-12-02 Public Resource Download -
Modern Restaurant Kitchen Design (PDF)
Edited and compiled by Zhang Yenzhen and Wang Yuehua
Analyzing the operational principles of the kitchen, elucidating kitchen design methodologies, and expanding kitchen design theory…
2021-12-03 Public Resource Download -
Technical Specification for Cooking Fume Purification (PDF)
China’s Ministry of Ecology and Environment
This standard specifies the terms and definitions, technical requirements, and… for oil-smoke purification equipment in the catering industry.
2021-12-03 Public Resource Download -
Energy Efficiency Limits and Grades for Ventilation Fans (PDF)
State Administration for Market Regulation, Standardization Administration of China
This standard specifies the energy efficiency grades, minimum energy performance requirements, and test methods for fans…
2026-04-29 Public Resource Download -
Code for Quality Acceptance of Ventilation and Air Conditioning (PDF)
State Administration for Market Regulation, Ministry of Housing and Urban-Rural Development
To strengthen quality management in construction projects and standardize the construction quality of ventilation and air-conditioning works…
2021-09-15 Public Resource Download -
Code for Heating, Ventilation, and Air Conditioning (PDF)
State Administration for Market Regulation, Ministry of Housing and Urban-Rural Development
In order to adopt advanced technologies and make rational use of… in the design of heating, ventilation, and air conditioning systems,
2021-10-25 Public Resource Download -
Code for Construction of Ventilation and Air-Conditioning Works (PDF)
State Administration for Market Regulation, Ministry of Housing and Urban-Rural Development
To strengthen the management of construction and installation techniques for ventilation and air-conditioning projects and to standardize construction practices…
2021-11-17 Public Resource Download -
Code for Heating, Ventilation, and Air Conditioning of Civil Buildings (PDF)
State Administration for Market Regulation, Ministry of Housing and Urban-Rural Development
In order to implement and enforce national technical standards in the design of heating, ventilation, and air-conditioning systems for civil buildings…
2021-12-07 Public Resource Download
Installation Information
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2021-07
Ventilation frequency and minimum airflow rate for civil buildings
This paper primarily summarizes how to select the appropriate high-pressure air-handling unit based on actual conditions, along with the relevant calculation methods. -
26
2021-09
Common flue gas exhaust systems for barbecue restaurants
This article examines the common flue-gas exhaust methods used in barbecue restaurants and their respective advantages and disadvantages, helping you make a more informed choice when selecting an exhaust system. -
16
2021-11
Ratio and Selection Scheme for High-Voltage Switchgear
This paper primarily summarizes how to select the appropriate high-pressure air-handling unit based on actual conditions, along with the relevant calculation methods. -
02
2021-12
Optimized exhaust solution for island-style range hoods
A restaurant in Qingdao has installed an island-style range hood with a next‑year‑style design. Configure a 7.5kW (450#) high-pressure air cabinet (19,500 flow rate) for the fresh-air system.
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12
2021-05Summary of Knowledge on Flexible Hose Connections
Flexible hoses are typically used at the inlets and outlets of fans or electric air-conditioning units in construction projects. -
17
2021-10Ventilation rates of air conditioners in different rooms and various life scenarios
Although increased air exchange is preferable, it can lead to larger equipment sizes, particularly when handling outdoor air and heating. -
08
2021-06A Summary of Fresh Air Knowledge
Common ventilation methods: natural ventilation, mechanical ventilation. The kitchen is equipped with a mechanical exhaust system to remove smoke. -
09
2021-07Common images of fresh air equipment
Displayed in image form are standard fresh-air units used in various engineering projects. -
05
2021-10Installation drawings for smoke hoods and fume purifiers
In various engineering applications, there are roughly several methods for installing air-handling units and fume‑removal purifiers. -
04
2021-06Technical Requirements and Test Specifications for Oil-Fume Purification Equipment in the Foodservice Industry
This standard specifies the technical requirements for disassembly efficiency and other performance characteristics in the catering industry, as well as the associated test methods and inspection rules.