Recently, we received a letter of appreciation from Jiangsu Hengtong Optoelectronics Co., Ltd. for our efforts to ensure Hengtong's supplies during the COVID-19 pandemic in 2022.

Our company has passed the "Product after-sales Service Evaluation System" (GB/T 27922-2011) five-star service certification, has been adhering to the promise of the spirit of contract, and strive to improve customer satisfaction.