Shenzhen Beidou Communications Technology Co., Limited is one of the world leaders in making the toughest, waterproof and dustproof mobile phones. Our products are the most rugged, technology innovation and high-quality available on the market.We specialize in providing enviornments-oriented communications tools for industrial users including police,fishing administration, security guarding, oil, gas, travelling and outdoor activity.Headquartered in Shenzhen, China, we provide customers with products and service in the world.