Changsha Hetong Technology Co., Ltd. Was founded in 2020 and is headquartered in Changsha, Hunan Province, China. As a modern stationery enterprise integrating R&D, design, production, and sales, Hetong Technology is committed to enhancing the efficiency and enjoyment of global learning, office work, and creative activities through innovative, reliable, and sustainable stationery solutions. After several years of steady development, we have grown into a trusted brand in the industry, with our products exported to multiple countries and regions, including Europe, the United States, Southeast Asia, and the Middle East.

Yi Duo Tech Co. Ltd Founded in 2010, located in Shenzhen city Guangdong province, with our professional staff including senior engineers in mechanics, international trading specilist and quality control crew, we have more than 10 years OEM &ODM experience. As the nature of our business we specialize in researching, developing, producing and export auto related parts, smartphone, car mount, earphone, and other consumer electronic products, we are focused on providing customers and end users with high-quality product. Our products have certification including Qi2.2, MFI, CE, RoHS, Reach, FCC, ETL, CA65, IC ES, ISO16750, UL2089, UL2056 and etc.