After almost two years of efforts, PA2 and PB3 series of relays have achieved full automatic mass production successfully, with a capacity of 2500 PCS per hour. PC3 and PC6 have achieved semi-automatic production, their full automation upgrade will be completed within one year. The products have obtained CQC, TUV and CE certification already.

In order to develop of the Yangtze River Delta region, PTG NJ Corporation is established in Nanjing. It is committed to the R&D of energy products and the sales/service of PTG products in Eastern China.

After one year preparation, PTG EC Corporation was established on July 15, 2021. It is committed to the R&D, production and sales of power relay of PTG brand. Phase I covers an area of 2500 square meters, it is equipped with 4-6 full-automatic intelligent production lines, mainly providing special relay for photovoltaic and energy storage systems.

PTG offers complete wind power surge protection solutions and products with UL approval, Product series: PE 440(600/760/1000)-15W1-10(R) Product series: PE 440(600/760/1000)-25W1-10(R) Product series: PE 440(600/760/1000)-40(60/80/100/120)W2-10(R)

On October 7th to 8th, PTG hosted a sucessful seminar on corporate culture to explore the cohesion of the staff and corporate social responsibility and capability, the members of PTG carried out a two-day in-depth exchange from mind towards the harvest of happiness. In this most beautiful season, everyone stayed away from the noise, contemplated, communicated deeply, and grew together. The whole process of this seminar was lively and interesting, focused and fruitful, tapped one's own potential, enhanced the awareness of unexpected development, and strived to build a united, cooperative, enterprising and passionate team of PTG.

PTG and its employees overcome the epidemic situation actively, and formally resume production on February 10, 2020 in accordance with the National and Shenzhen Regulations. The production capacity is fully restored on February 17th, certain under-going third-party qualification progress is postponed.

PTG keeps investing in the R&D on SPD technology & application innovation. These new compact Type 1+2 SPDs are designed in accordance with IEC61643, GB18802 and UL 1449 standards

The entire PTG DC SPDs have successfully been qualified by UL.It will strongly support our customers/partners and the brand itself in Northern America( United States, Canada, etc.).