Casing Rotator,Full Revolving Drilling Rig,High Torque Drilling Rig,Full Casing Drill Xuzhou Jingan Heavy Industry Manufacture Co.,Ltd. , https://www.jinganzhonggong.com Vietnam’s Ministry of Trade and Industry announced on Tuesday that it will encourage foreign companies to invest in Vietnam’s rubber industry. According to the Ministry of Trade and Industry of Vietnam, Vietnam exported 780,000 tons of natural rubber in 2007 with an annual growth rate of 4%. Rubber exports amounted to 1.04 billion U.S. dollars, an increase of 2.3%. China, South Korea, Taiwan and Singapore are major importers of natural rubber in Vietnam.