... as joint venture of China Zengcheng Liyun Co., Ltd and Korea CNC Tech Ltd , total investment 40 million RMB, ... .Guangzhou WTA Gasket and Seal Co.,LTD with Guangzhou Xiuyi Engineering Machinery Sealing Co.,ltd are subsidiary Marketing Companies from ... Guangzhou Butrom Precise Parts-Making. However, Guangzhou WTA Gasket and Seal Co.,LTD ...