Welcome to the corporate website of Tai Tong Ah Company Pte Ltd
(大东亚私人有限公司), a company incorporated in the Republic of Singapore.

Tai Tong Ah manufactures Traditional Chinese Medicines (TCM) under the Double Prawn (双虾标) brand name. Tai Tong Ah’s Herbal Oil (青草油) and Rumagon (风湿油) products are renowned for their excellent healing and soothing properties.

Positioned as a premier pharmaceutical manufacturing company, Tai Tong Ah has achieved a reputation in the market as a producer of quality TCM products, which are widely available in medical shops and pharmacies in South-east Asia, Hongkong, China and other parts of the world.

The use of 2 prawns in the brand makes the brand easily recognizable to children and adults alike. Among the many satisfied users over the years, Double Prawn brand Herbal Oil is immediately associated with a highly effective multi-purpose family medicinal product, ideal for treating a wide range of skin diseases. Similarly, Double Prawn brand Rumagon is known for providing quick soothing relief from muscle aches and pains.

Tai Tong Ah was founded in Singapore in the early fifties by the late Mr Yeoh Liew Kung , a Chinese physician who came from South China to Singapore in the 1930s to seek his fortune. Over the years, under his leadership, Tai Tong Ah progressed from a small scale family operation serving only the local market to a modern professionally run business using automated production facilities that achieved Good Manufacturing Services (GMP) certification.

Tai Tong Ah is active in the Singapore TCM industry, playing an active role in various trade associations, TCM education initiatives and TCM exhibitions.


大东亚私人有限公司是新加坡传统中药制造商,生产“双虾标”系列高品质中药产品,旗下拥有两大著名产品—— 双虾标青草油双虾标风湿油 。双虾标青草油具有消肿止痛的功效,用于治疗各种皮肤疾病;双虾标风湿油具有温经通络、祛风止痛的功效,用于治疗关节肌肉疼痛。

大东亚私人有限公司成立于1953年。我们的创办人 杨柳江先生 是位早年从中国到南洋发展的中医师。多年来,我们顺应时代的发展,不断与时俱进。现在,我们已经从一个小规模的家庭生产作坊发展成为一间实现自动化生产的现代化制药企业。从创立至今,我们秉承优良传统,一向注重产品的质量和功效,现已具有获得新加坡卫生科学局药品优良制造(GMP)认证的现代化厂房,我们的生产过程完全按照国际药品优良制造规范执行。同时,作为新加坡中药大家庭的一员,我们也积极参与有关行业协会与中药教育机构的活动,为推动本地中药行业的发展做贡献。