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1980 – Establishment of our parent company Yao Wei Plastic Co. Ltd. in Taichung which specializing in rubber products.

1990 – Commenced development of engineering plastics business.

1998 – Establishment of our company Jer Yeu Co. Ltd.
             Innovation of a wide range of industrial hoses to meet customer demands with new and updated products.

2000 – Technical cooperation with a leading German company.

2005 – Establishment of office in Kunshan, China.

2008 – Establishment of new company, Yang Chiuan Ind. Co. Ltd., with a production area of 2,300 m².

2010 – Establishment of offices in Tianjin, Wuhan, Dalian, Chengdu, China.

2012 – Establishment of new warehouse. The total area of company is now 7,000 m².

2014  Yang Chiuan Industrial renamed Huanyu Hose Co. Ltd.
          Creation of a new brand name - JUMBOFLEX 寰宇軟管
2017 – Establishment of new product line of 6000/m2 fields
2019 – Establishment of brand new golden LOGO of elephant