About Us

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

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 PTC production and testing machines, and the company has the production capacity of PTCs. In 2015, the company began to enter into the R & D and production of PTC heating elements and won the orders of the most famous brand of fish tank heater in China.

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