In 1997, WELL PLUM TECH CO., LTD was established in Yuanli Township, Miaoli County. The following year, a factory was added in Daya District, Taichung City. The ultrasonic department was established, focusing on the development and sales of plastic welding machines. Various ultrasonic automated machinery was developed and sold, obtaining multiple patents in Taiwan, Hong Kong, and mainland China.

In 2000 , a welding subcontracting department was added to handle customer orders for plastic welding.

In 2005 , WELL PLUM TECH CO., LTD was founded, specializing in the development and sale of CNC machine tool accessories. Oil-water separators were sold to major CNC machine tool manufacturers, and patents were applied for and obtained, with CE certification. An average of 500 units were sold worldwide each month.

In 2007 , WELL PLUM TECH CO., LTD obtained a patent for an oil-water separator, certificate number M317283. A department for ultrasonic cleaning equipment was established, expanding the business scope to include various ultrasonic-related peripheral products, venturing into more lifestyle areas.

In 2012 , WELL PLUM TECH CO., LTD obtained a patent for the automatic transmission mechanism of a file-making machine in Taiwan, certificate number M440290. The second factory was established, along with the establishment of a CNC machining department and the expansion of the product subcontracting department, specializing in the assembly of electronic/mechanical components.

In 2014 , WELL PLUM TECH CO., LTD obtained trademark registration certificates in Taiwan and patents for the structural design of ultrasonic bonding bags and their base materials, certificate number M471185. Assembly of products from the Japanese company SEIKO Precision Systems Co., Ltd. was undertaken.

In 2015 , environmental bag automation machinery was developed and a Taiwan patent was obtained, specializing in the production of PP non-woven/PP woven eco-friendly shopping bags.In 2016, a household ultrasonic pesticide removal fruit and vegetable cleaning machine was developed, and efforts to expand sales channels are currently underway.

In 2017 , at the beginning of the year, a patent for a ultrasonic human sensing essential oil sprayer was obtained in Taiwan, certificate number M544327, for indoor decorative and air purification sensing devices. WELL PLUM also responded to the trend of energy conservation and environmental protection by launching the production of energy-saving LED work lights, supplying machine accessories to existing customers of CNC machine tools.

In 2018 , WELL PLUM TECH CO., LTD obtained a patent for a multifunctional ultrasonic cleaning device in Taiwan, certificate number M568175.In 2019, WELL PLUM TECH CO., LTD created a new brand for household products called "Fangte Workshop."

In 2020 , WELL PLUM TECH CO., LTD obtained a patent for a system preventing motor burnout in oil-water separators in Taiwan, certificate number M588598. 

In 2021 , the "Fangte Workshop" brand obtained trademark registration in Taiwan.

In 2023 , the product "Fully Automatic Ultrasonic Fruit and Vegetable Cleaning Machine" won the silver medal at the Paris International Invention Exhibition and received the 8th Taiwan Service Innovation Award.