Shenzhen Sangu Technology Co., Ltd. is a manufacturer and contract manufacturer based in Shenzhen, China, specializing in consumer digital products. Established in 2007, the company focuses on the research, development, manufacturing, marketing, and sales of items such as Multi-Card Readers, portable External Enclosures, Flash Drives, Solar Chargers, Bluetooth dongles, and Digital Photo Viewers. With a dedicated R&D team and its own production base, Shenzhen Sangu Technology Co., Ltd. maintains a strict and standard quality control system, utilizing mature processing and advanced measurement techniques. The company has developed hundreds of products across its main series and has achieved a significant market share and reputation for its card readers and portable external enclosures within China. Employing between 51 and 100 people, Shenzhen Sangu Technology Co., Ltd. is actively expanding into overseas markets.
Hongkong Sunlonge International Co., Ltd., established in 1999, is a manufacturer, trading company, and wholesaler headquartered in Hong Kong with factories and an R&D team in mainland China, primarily operating from Shenzhen. The company specializes in NDT (Non-Destructive Testing) equipment and special lamps, offering OEM services. Their product portfolio includes UV NDT lamps, UV leak detection lamps, portable multi-channel light sources, forensic light sources, multi-LED light sources, UV HID torches, LED collimation optics, and collimated wavelength lasers. They also provide fluorescent dyes, leak detection kits, and various NDT instruments such as ultrasonic flaw detectors, ultrasonic thickness gauges, Leeb hardness testers, densitometers, and X-ray film viewers. With 11 to 50 employees, Hongkong Sunlonge International Co., Ltd. serves a global market, with their UV lamps widely used in NDT, fluorescent leak detection, forensic and security inspection, testing, lab applications, and UV disinfection.