July 7, 2015, Hefei. The president, Mr. Yin Hongbing and CEO, Mr. Yin Zhongyi paid a visit to Anhui WhyWin international trade Ltd

 The president, Mr. Yin Hongbing and CEO, Mr. Yin Zhongyi of TGS Hongkong Co. Ltd paid a visit to the president, Mr. Wang Min and general manager, Mr. Wang Dun of Anhui WhyWin international trade Ltd, both parties had business negotiation on development of South America market and leasing business of drilling equipment.