国产在线视频观看,日韩mv欧美mv国产精品,少妇做爰喷水高潮,色老头国内精品视频免费,这里有精品中文字幕,国产成人艳妇aa视频在线,人妻交换视频在线,人妻巨根中文字幕,久久久久久精品精品免费

Guizhou Gaofeng Petroleum Machinery Co., Ltd., ("Gaofeng" as shortened) is confirmed to take part in the 14th China International Petroleum & Petrochemical Technology and Equipment Exhibition (cippe2014) which will be launched on March 19-21, 2014.

Located in Guizhou province, China, Gaofeng is a special enterprise that offers the design, manufacture and service of oil field equipment, together with "SJ Petroleum Machinery Co., Ltd." , which is a subsidiary corporation of SINOPEC to set up the drilling rig production base in Hubei province, China.

"GAOFENG" has strict systems of scientific research and quality assurance. It has a research & development technology center, a modern product line and maintenance service for oilfield drilling tools, and facilities together with advanced techniques of physical and chemical analysis as well as ultrasonic flaw detection for materials. Moreover, it is one of the draughting companies of the industry standard, for eight types of down-hole tools.

"GAOFENG BRAND" products have been exported to America, South America, Saudi, Germany, Kazakhstan, India, Pakistan, Middle East, South Africa, Egypt and Columbia etc.

Guizhou Gaofeng Petroleum Machinery Co., Ltd. will display their products at Booth E4620, a booth of 108 sqm and visitors may go for further information.