For years, offshore mooring chains is always a bottleneck for us. But, after years researching and development, our R5 mooring chain has been developed and manufactured successfully. The mooring chain represents the current world's highest level, and has high intensity, can ensure drilling platform against some of the worst typhoon at least in 200 years. This breakthrough which is our independent innovation of making in China chains and production structure adjustment of monumental work at the latest.