Company Overview

Kwun Wah International Ltd. has been leading manufacturer of ultrasonic cleaners and Steam cleaner with professional models made of stainless steel since 1998. Owning well equipped factory in Shenzhen – Eumax Technology and contribution of experienced engineers and workers, we are proud of established brand “EUMAX” ultrasonic cleaner, steam cleaner and Sous Vide cooker.

Eumax Technology (Shenzhen) Co., Ltd found by Hong Kong Kwun Wah International Ltd., is a wholly foreign-owned enterprise (WFOE) in Shenzhen, China. Eumax Technology specializes in manufacturing ultrasonic cleaner, steam cleaner and from 2015 new patented product: Ultrasonic Sous Vide cooker. At the same time, new manufacturing plant has been set up in Dongguan of Guangdong province.

Our experienced Hong Kong managing team linking with our factory staff work closely together, provide fluent communication, efficient after sale service to our valuable customers, with aim for mutual benefits and long time co-operation.

“Eumax Professional, Excellent Leading, Technology For Future” is Eumax Technology’s philosophy, making us a leading position in industry. Acquired CE, ROHS and MET certifications, products with international patent are favored for all over the world. As decades business time, high reputation and good friendship with many clients are our honors and hope to enrich the same to new comers.

We firmly believe that: Excellent Done! To Capture The World!


冠華國際發展有限公司是自1998年開始專業生產超聲波清洗機、蒸汽清洗機的企業。其子公司優美斯科技(深圳)有限公司是香港冠華國際發展有限公司在中國深圳開設的獨資企業,專業研發、生產超聲波清洗機、蒸汽清洗機及其他電子產品, 最新產品是2015年註冊實用專利的超聲波低溫慢煮機; 優美斯這3種產品在行業中都處於國際技術領先地位;產品獲得了CE,ROHS,MET等國際專利,暢銷海外;其中以不銹鋼堅實造型的數控及機械操作的超聲波清洗機在國際市場佔有率最高,多年來累積眾多貼牌生產客戶,市場優勢日益展現,產品不斷的創新。自從推出超聲波低溫慢煮機新產品,令業務進入更大的範圍,發展潛力巨大。