In view of our company received a complaint letter of NOV at present，oil drill pipe market appeared the illegal use of JST/JSD name to manufacture special fastener threads of NOV patent. The incident has seriously violated the normal business cooperation relations between our company and NOV as well as destroyed the interests of both parties. To this end, the company through the website issued a special statement: In the future, for all the illegal use of our company name to provide third-party product information of NOV patent, our company will strictly according to national laws and regulations of Intellectual property rights and patent protection to maintain the legitimate rights and interests of NOV and our company as well as reserve investigating for violators’ legal responsibility. For this we idiopathic the letter, and hope all colleagues will strictly abide by the national laws and regulations of Intellectual property rights and patent protection and don’t destroy the interests of our company.

　　Jiangsu Shuguang Oil Tools Co., Ltd.

　　Jiangsu Shuguang Drilling Tool Co., Ltd.