交换娇妻1-36部分1|少妇交换做爰4|护士交换做爰3|交换H圆房～H嗯啊N多P动漫|交换H圆房～H嗯啊乱叫赵东成

客戶簡(jiǎn)介

The Fourth Machinery Factory of Sinopec Petroleum Engineering Machinery Co., Ltd. is a professional oil drilling and production equipment development enterprise. The company was founded in 1941 and is the first to introduce 7 manufacturing technologies including workover rigs from the United States. It has manufactured the first domestically produced workover rig, automatic slurry cement truck, and the first high-power fracturing unit; We have undertaken major national, provincial, and group level scientific and technological projects such as the largest fracturing unit in the world, obtained nearly 200 national patents, and formed a product group of five categories with independent intellectual property rights: cementing and fracturing equipment, drilling machines, workover machines, offshore oil equipment, and high-pressure manifold components. We have also reached international leading levels in the development of fast moving and fast loading drilling machines, low-temperature petroleum equipment, automatic slurry cement trucks, and high-power fracturing units.