HK Autoe Industrial Co., Ltd. Established in 2006 is a professional manufacturer of Digital Products, which specialize in supplying all kinds of MP3/MP4/MP5 players, USB flash driver, Digital photo frames mobile, bluetoth and car FM transmitter, etc.

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.

Chongqing Gold Mechanical & Electrical Equipment Co., Ltd is a high-tech enterprise for researching, designing, developing and producing scientific and measuring instruments. With its continuous drawing of lessonas, unremitting innovation and borrowing of advanced technology from both at home and abroad, our company is now becoming a professional manufacture of oil tester, electric tester, fire testing equipment, and oil purifier.

Chongqing Advanced Technology Co., Ltd. is a professional supplier which is committed to offer best testing equipment from China for our clients, and our main products are fire testing equipment, petroleum products testing equipment, electrical testing equipment and general laboratory instruments.