Beijing Haida Technology Co., Ltd.   

Yikaiwen Technology Co. Ltd. is a hobby, hiking, climbing, mountaineering adventure and other outdoor activities, the explorers first choice. Yi Kaiwen know as outdoor products, its superior functionality and safety has a huge impact on outdoor enthusiasts, so Yi Kaiwen emphasized the selected function and safety of materials from a variety of materials, waterproof, windproof, anti tearing strength, thermal insulation, fatigue resistance, pressure resistance, pilling resistance, moisture and quick drying has done a lot of experimental, choose which most can manifest the outdoor value materials. As the basis of Yikaiwen design products, strive to be concise and cumbersome, practical and not cumbersome, reflect light and durable humanization design style and product concept.