ROCK is a limited liability company which established for 17 years. Half of the staffs worked for the company over decade. Stable company structure decided the sustainable development of the company. In addition, the average of the management team is between 30 and 50 years old, and its rich working experience provides a reliable guarantee for the sustainable operation of the company. The management team has been paying close attention to the market trend for many years, making appropriate adjustments to the company's business, achieving sustained growth of performance and showing a good grasp of the market trend.