China hailiang group , the shareholder of the company , is the largest copper - processing enterprise in china , one of key high - tech enterprises in china , chinese customer - satisfaction enterprise , chinese enterprise of honor the contract and keep business integrity and also an extra large non - governmental enterprise with annual production value of three billion yuan and the profit and tax of 280 million yuan 公司股东单位中国海亮集团是全国最大的铜加工企业，国家重点高新技术企业，全国用户满意企业，中国守合同重信誉企业，也是一家年产值达30亿元，创利税2 . 8亿元的特大型民营企业。
