产品的化学成份，具备优化而科学的控制曲线，除了常规元素之外，另加入了适量的贵重稀有元素为主体的变质剂。

　为快速准确地检测和调整化学成份，公司在化验设备上投入了大量的资金，以保证产品所需的目标值

　The choosing of the chemical composition is scientific：
　　 The chemical composition associate the best and scientific control curve .Besides the main elements ,inputting some trace element to improve products'charat .To inspector chemical composition being quickly ,company put lots of money on examining equipment to make sure the products to be fine as we expect