In this background, the company created the "BLESSTAR®" and "EVER ECOLAR®" series of eco-friendly biodegradable antibacterial and antiviral products. Main products and services: highly-effective antibacterial and antiviral finishing agent, disinfectant, chips, textile antibacterial finishing and related technical services. Widely used in medical supplies, textile and apparel, home textiles, maternal and child care, female products, personal protection and other fields.

History of Products: 

Ecolar Technology

Ecolar Technology Limited, is a scientific innovation enterprise in Hong Kong, jointly incubated by the Hong Kong Polytechnic University and the Hong Kong Science and Technology Park, dedicating to protecting human health and the earth's environment, and adhering to the corporate values of integrity service, continuous innovation, win-win cooperation.

The company established BLESSTAR® & EVER ECOLAR®, and developed series of environmental bio-based healthy antibacterial and antiviral products. Main products and service: PHA antibcterial and antiviral finishing agents, sprays, socks, masks, knitted, woven and nonwoven fabrics and related technical service.

 Top R&D Team and Service Platforms:


  • Smart Wearable System Research Institute, The Hong Kong Polytechnic University, Hong Kong

  • School of Fashion and Textiles,The Hong Kong Polytechnic University, Hong Kong

  • The Hong Kong Polytechnic University-Jinjiang Technology Innovation Institute, Fujian of China

  • Yinhu Innovation and Entrepreneurship Research Institute, Zhejiang University of Technology, China

Blesstar Series 


New Biodegradable Materials

Appearance: Light yellow/Transparent viscous liquid

Traits: Soluble in organic solvents or water

Toxicity: Non-toxic side effects on humans and the environment
Sustainability: Fully degradable, no pollutant residues


Life Cycle 

Products Classification

Leading supplier of green healthy materials.


Cooperative Partners

100% bio-polymers derived from renewable natural sources.

Fully biodegradable materials.

Sustainable, renewable source.

Antimicrobials and antivirus by 99.99%


Demonstration of Products: 

The projects acknowledge partial funding support from the Hong Kong Research Institute of Textiles and Apparel Limited, Innovation and Technology Commission and the Government of the Hong Kong Special Administrative Region. 

News Center  


恒生 x 理大可持續未來挑戰賽:紡織及服裝


近日,香港理工大學和恆生銀行宣布“恆大 x 理大可持續未來挑戰賽:紡織及服裝”的比賽結果。本公司通過開發理大所研發的可生物降解的PHA綠色安全抗菌材料,以初創企業的身分參與了公開組,並且獲得亞軍的優秀成績。本公司致力開創安全性高、可生物降解、低碳排放和成品效益高的抗菌材料,能夠廣泛應用於家用和醫療用途產品。本公司的創辦人張子恆博士和劉世瑞先生稱,希望產品能為市民帶來綠色、安全、衛生和可持續發展的生活模式。




Recently, the Hong Kong Polytechnic University and Hang Seng Bank announced the results of the “Hang Seng x PolyU Sustainable Future Challenge: Textiles and Apparel" competition. Our company participated in the open group as a start-up that has developed a green PHA antibacterial material that is safe and biodegradable, and won the second place. The company is committed to creating antibacterial material with regards of safety, biodegradability, low carbon emissions and high efficiency, which can be widely used in both household and medical products, providing a safe environment. The company's founders, Dr. Zhang Ziheng and Mr. Liu Shirui, said they hope the products can bring a green, safe, hygienic and sustainable lifestyle to citizens.


The “Hang Seng x PolyU Sustainable Future Challenge: Textile and Apparel" encourages college students and the public to use their creativity to provide innovative sustainable solutions for the textile and apparel industry, as to create a green city. This competition tests the participants' awareness of environmental protection, creativity and technology, increasing the public awareness to climate change and urges citizens to reduce their carbon footprint. Participants received valuable learning experience, from professional guidance to market verification. Finally, the judging panel selected 16 projects to enter the finals.




  ECOLAR- 益曜科技


       —— Start a fresh chapter of healthy life!




       —— Leading supplier of green healthy materials


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