日本TOKI SANGYO  www.tokisangyo.com 
东机产业株式会社成立于1964年.是日本最大的粘度计制造厂, 其生产的粘度计广泛用于科学研究，质量控制和其它应用。作为一个在黏度测量方面的领导着，东机产业株式会社有着35年的经验粘度计制造经验。其中B型粘度计以性能可靠稳定著称，销量超过6万台。

TOKI SANGYO was founded in 1964 as the exclusive domestic dealer of viscometers manufactured by TOKYO KEIKI INC. Since then TOKI SANGYO has established itself as a pioneer in sales of domestic-made viscometers and we are proud of our diverse base of loyal customers.
Building on this expertise, TOKI SANGYO acquired the entire viscometer business segment of TOKYO KEIKI in March 2000. This acquisition positions the company as a totally integrated manufacturer and supplier of viscometers with capabilities encompassing product development and engineering, production, sales, and service & repair.
These strengths enable us to contribute to our customer's business by providing him hardware of highest reliability supported by solid measurement knowhow and skilled aftersales service.