Company introduction

RHT Environmental Technology (Guangzhou) Limited

RHT Environmental Technology (Guangzhou) Limited is one of the subsidiaries of RHT Industries Limited. RHT Industries Limited was established at 1998 and specializes in the environmental protection research. RHT Environmental Technology (Guangzhou) Limited, RHT Industries Limited, and RHT International Limited are belonged to RHT Group, which is located at Hong Kong, the third financial center in the world. RHT Industries Limited has strong scientific research background, with jointly inventing the NCCO Air Purification Technology with the Member of HKUST Entrepreneurship Program and holding the patent. IAQ (Indoor Air Quality), formulated together with Hong Kong Environmental Protection Department and still in use today, has offered a professional and efficient advisory service of air purification and air treatment for Hong Kong Hospital Authority, Hong Kong Housing Authority, Hong Kong International Airport, DoubleTree by Hilton, HSBC, Philips, Oregon Scientific, Poly Group and other organizations and firms.

RHT Group owns RHT Environmental Technology (GuangZhou) Limited, RHT Environmental Technology (Shenyang) Limited and other subsidiaries in mainland China.


In 1998, RHT Industries Limited was established at Hong Kong.

In 1999, Considering the increasingly serious problem of indoor air quality in the world, RHT Industries Limited decided to work together with the Member of HKUST Entrepreneurship Program to jointly study and develop advanced air purification technology.

In 2003, RHT Industries Limited and Hong Kong University of Science and Technology successfully invented the NCCO Air Purification Technology.

In 2004, RHT Industries Limited worked with the Hong Kong Hospital Authority to jointly fight SARS virus and sort out the infection process.

At the same year, RHT Industries Limited worked with Hong Kong Housing Authority and became the supplier of Air Treatment Unit for the refuse disposal station.

In 2005, Hong Kong International Airport invited RHT Industries Limited to solve the air quality problem at smoking rooms, where the air purification project has been adopted until now.

In 2006, RHT Industries Limited worked with PHILPS to develop a new generation of Air Purifier which has been widely used in the Mainland China.

In 2009, RHT Industries Limited worked with Oregon Scientific to develop the Nanoscale Air Anti-bacterial Machine machine for automobiles.

In 2010, NCCO Air Treatment Unit with better capacity was launched to the market.

In 2012, b-MOLA Air Purifier was built.

In 2013, NCCO Air Purification Technology began to be applied at the Mainland market and the industrial area.

In 2016, b-MOLA Air Purifier entered into civilian market at Hong Kong with 11.7% of market shares;

In 2017, b-MOLA Air Purifier entered into the civilian Market at Mainland China


Reference information:

  1. Challenge the Impossible! A beautiful Doctor from Hong Kong became a businessman to enter into air purification market. Netease. [Reference Date 2017-04-11]


RHT Products are classified into the four types: household, medical / commercial, industrial and vehicle mounted.

  • Household: Removes, purifies and decomposes the harmful gases, bacteria and viruses in daily life.

Household: NCCO1702

Household: NCCO1701

Medical / Commercial: RH-490C

Medical / Commercial: EC920

  • Industrial: Removes odour, VOCs, cancerogenic substances, PM10 and PM2.5 coming from the production process at factories and workshops to protect staff’s health.

Industrial: RA805

Industrial: RH-220

  • Vehicle-mounted: Specializes in the air purification at car – removes, decomposes, deodorizes and disinfects the air pollutants in car.

Portable type:NCCO1802

Portable type:IVAP22

Well-known case

  • SAE Magnetics (Dongguan) LTD

In recent years, SAE Magnetics (Dongguan) LTD. has evolved to become one of the world’s leading independent manufacturer of magnetic recording heads for hard disk drives. Its parent company is SAE Magnetics (H.K.) LTD, which is a wholly-owned subsidary of TDK Corporation.SAE Magnetics (H.K.) LTD is a high-tech manufacturing base with the processes of scientific research, development and production. Due to the several VOC solutions used at the production of circuit board and electromagnetic parts, a great amount of VOCs is included at the industrial waste gas emission. In order to solve this problem, SAE Magnetics (Dongguan) LTD. invited RHT to provide an air purification project. After field visit and discussion, RHT decided to adopt NCCO Technology to treat air pollutants, which has greatly improved the working environment and enhanced the work efficiency.

  • Yanzhuang Oils

Yanzhuang Oils, an emerging enterprise of cooking oil production, where the cooking oil finds a good sale in Singapore and European countries. However, high concentration of VOCs, grease, irritating odor produced from the mass production of cooking oil had influenced the surrounding resident’s life. In order to solve this problem, Yanzhuang Oils accepted RHT’s suggestion to install NCCO Air Treatment Unit at air outlet, not only successfully treated the VOC at exhaust gas, but also greatly removed the odor of sesame oil, particles and fume. No influence to surround resident anymore.


RHT in the following countries: UK, USA, Canada, Japan, Korea, Thailand, Greece, Malaysia, Colombia, Singapore, India, Indonesia, Turkey, UAE and other countries with crossing several continents.
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