Marc Chow
An engineer turned entrepreneur residing in Hong Kong.
Specialized in indoor air quality (IAQ) solutions, with options on LoRaWAN or WIFI (IoT) capability.
Business Scope
WOOFAA.com: IAQ product & solution development and trading.
XASER.com: Air cleaning rental and service.
UrbanClimo.com: Enabling corporate carbon neutrality with a microalgae appliance.
Engineer Entrepreneur
Entrepreneur's Bookshelf
Read market studies authored by others. Some are general overviews, some are on verticals, and some on very deep niches.
Techno Geeks
A collection of interesting technology briefings, addressing problems in better living and productivity in built environment.
Recent Listings
Latest postings on a wide range of topics. Some of them original, some are reviews on others.
You are What You Read
Unmanned Stores are Unsustainable in China
The cost it saved from being “unmanned” simply could not cover cost of its high-tech systems. The “AI” benefit is just a laugh when you could not even get enough data for machine learning, let alone its dream of being disruptive in changing consumer behaviors.
China’s New Consumer Brand Report 2019 & Top 100 Brand List
This report will unveil the factors underpinning the unstoppable trend of consumer upgrading in China and will also showcase of the TOP 100 new consumer brands list, with a special look at trailblazing cases in the China’s diverse fast-growing market.

