粗一硬一长一进一爽一a级小说,少妇被又大又粗又爽毛片久久黑人,娇小的学生videos16hd,中文字日产幕码三区的做法大全

ABOUT US

About Us
Resume of Founder Milestones Corporate Structure Contact Us Honorary certificates

    Shandong Molong Petroleum Machinery Co., Ltd. is a professional energy equipment manufacturer and service provider, committed to providing excellent products and services for the energy equipment industry.

    The company entered the petroleum machinery manufacturing industry in 1987 with the goal of becoming an internationally renowned petroleum machinery manufacturing and service provider. It continues to carry out technological transformation, new product development, capacity improvement, and industrial chain extension, and has formed a complete petroleum machinery research and development design, processing and manufacturing, and technical service industry chain from smelting, casting and forging, steel pipe hot rolling, steel pipe cold drawing, heat treatment, surface treatment, mechanical processing, inspection, testing, and oilfield services.
   The companys leading products mainly include pipe products such as oil casing, pipeline pipes, drill pipe bodies, boiler pipes, fluid conveying pipes, hydraulic support pipes, gas cylinder pipes, and structural pipes; Three drawing equipment and accessories; Sucker rods, oil pumps, oil pumping units, petroleum machinery accessories, and downhole tools; Precision casting and forging products; Large ball valve bodies, mud pump liners, floating ball valves, etc. for petroleum use. The company has the ability to provide high-quality and competitive products and technical services for the energy extraction industry. For a long time, we have established good cooperative relationships with PetroChina, Sinopec, CNOOC, Shaanxi Yanchang Petroleum Group, domestic engineering machinery manufacturers, and foreign customers. Our products are widely used in the industries of oil, natural gas, shale gas, coalbed methane mining and coal mining machinery, boiler manufacturing, and engineering machinery manufacturing. Our products and services have been recognized and praised by users, laying a market foundation for the long-term and stable development of enterprises.
    The company has established a comprehensive ISO9000 quality management system, occupational health and safety management system, and environmental management system.
    The company was successfully listed on the Growth Enterprise Market of the Hong Kong Stock Exchange in April 2004 (HK8261) and transferred to the Main Board in February 2007 (HK568). In October 2010, the companys A-shares (SZ002490) were successfully listed and issued on the Shenzhen Stock Exchange, becoming a listed company that standardizes business management, assumes social responsibility, and sincerely returns to shareholders.
   Shandong Molongs goal is to continuously improve product performance, provide high-quality products and comprehensive technical services for the energy industry, and become an internationally renowned energy equipment manufacturing and service provider, relying on its good reputation and leading position in the field of energy equipment manufacturing for many years.

啊灬用力灬啊灬啊灬啊灬a片男男| 男人床上越折腾你是不是越爱你| 永久免费av网站| 天堂VA蜜桃一区二区三区| 极品少妇高潮啪啪av无码吴梦梦| 婷婷综合另类小说色区| 湿润手指揉捏调教h女友| 波多野结衣在线观看| 被夫の上司持久侵犯耻辱在线| japanese50mature日本亂倫| 精品无码三级在线观看视频| 国产精品毛片va一区二区三区| 女人扒开屁股爽桶30分钟| 国产奶头好大揉着好爽视频| 永久免费的啪啪网站免费观看浪潮| 久久久国产精品免费a片3d| 男女做爰猛烈叫床视频动态图| 亚洲av无码一区二区三区dv| 乖女从小调教h尿便器| 5566视频一区二区三区| 女人高潮真实叫床声mp3| 处破初破苞一区二区三区| 圣女当众被迫高潮h高| 精品人伦一区二区三区蜜桃小说| 97国产精品久久碰碰| 永久免费的啪啪网站免费观看浪潮| 嗯灬啊灬把腿张开灬动态图| 京东app下载安装官网免费下载| 天天躁日日躁狠狠躁av麻豆| 久久久久国产一区二区三区| 精品无码三级在线观看视频| 玩弄japan白嫩少妇hd| 大内密探之零零性性| 色窝窝无码一区二区三区成人网站| 机长脔到她哭h粗话h| 无遮挡国产高潮视频免费观看| 久久99精品久久久久久| 握住校花两团雪乳高h| 艳妇荡岳丰满交换做爰| 激情人妻另类人妻伦| 丝袜老师你夹得好紧好爽|