HK Sunlonge INT'L Co., Limited established in 1999,Headquartered is in Hong Kong and set factories in mainland China, and we have own R&D team. HK Sunlonge INT'L Co., Limited is a manufacturer and suppliers of NDT and special lamps,Our products have UV NDT Lamp,UV Leakage Detection LAMP,Portable Multi-channel Light Source, Ultrasonic Flaw Detector, Ultrasonic Thickness Gauge,Leeb Hardness Tester,and so on. Our customers as our partners, together provide a comprehensive solution transaction processing product procurement, negotiation, implementation of appropriate packaging and brand image promotion. "Customer demand for orientation, mutual benefit" is our principle, and we sincerely hope to establish long-term business relationships with interested parties, anywhere in the world.