Mr. Wu Yongcong, the owner of Three Field PTC Co., Limited, has worked in a popular company which first developed and produced PTC heat element in China since 16 years ago. He was responsible for the maintenance of the company's equipment and the development of new PTC heating elements, and had mastered the production process and production process of PTC products.

In 2010, Mr. Wu decided to establish a company specializing in the production of equipment to provide advanced production equipment for manufacturers in the PTC industry and improve the automation level of the industry.

With the growing up of these years, the company has designed and developed more than 35 kinds of PTC production and testing machines, and the company has the production capacity of PTC heating element. In 2015, the company began to enter into the R & D and production and won the orders of the most famous brand of fish tank heater in China.

In 2020, the company's output of various PTC heating element will reach more than 300,000 pcs and the output value was more than 5 million USD. Since then, Three Field PTC has gone wider and wider on the road of PTC product production and R & D!