Shenzhen OJECOCO Photographic Technology Co., Ltd located in Shenzhen China, the biggest manufacturing center of the world. Ojecoco are a professional manufacturer of photographic accessories with their own R&D and marketing team. Ojecoco specialize in producing photograph equipments, accessories and outdoor travelling articles. Ojecoco created their first product: H-550 "Multi-function High-speed wireless Flash Trigger" which combined with their special understanding on photographic equipments, professional electronic techniques and develop from the practicality viewpoint. Ojecoco hope that all photography enthusiasts can share this achievement with them and be in loved with it. Ojecoco really appreciate your support and it would be the motive forcing them to develop more good and practical photographic products. As a CE certificated company, Ojecoco have strict quality control in design and manufacturing.