• <sup id="mmmmm"><code id="mmmmm"></code></sup>
    <sup id="mmmmm"><delect id="mmmmm"></delect></sup>
    <sup id="mmmmm"></sup>
    亚洲国产男人本色在线观看的a站,久久精品中文字幕有码,国产欧美日韩亚洲更新,日本欧美一区二区三区在线,国内精品自产拍在线观看,色噜噜狠狠色综合网,无遮挡边摸边吃奶边做视频,久久婷婷五月综合色欧美

    About HILONG

    HomeAbout HilongHilong Industry

    GO Back

    Hilong Pipeline Engineering Technology Service Co., Ltd.

    Hilong Pipeline Engineering Technology Service Co., Ltd. is a research and development technology-based enterprise integrating internal and external coating of pipelines, robot internal patching, oil pipe anti-corrosion technology research and pipeline integrity technical services. Holding <01623.HK>) is a wholly-owned subsidiary. The company covers an area of ??500 mu and has a professional stacking site of nearly 200 mu. It is located in Shanghai Baoshan Industrial Park, adjacent to Shanghai Baosteel Group and East China Steel Pipe Production Base, and 3.5 kilometers away from Shanghai Luojing Port, with convenient transportation.

    The company is "Shanghai High-tech Enterprise" and "Shanghai Little Giant Cultivation Enterprise". It has won 1 national innovation fund and 2 high-tech achievement transformation projects. The project has been approved and completed. More than 30 technology development projects, more than 20 patents and utility models. Hilong Group has professional pipe research institutes and materials research institutes, as well as nationally qualified testing and inspection laboratories.
    The company has a coating production base in Shanghai, with a total of 4 pipeline internal and external coating production lines and a complete testing and inspection laboratory. The maximum coating diameter is 2.6 meters, and the maximum single steel pipe length is 18 meters. The coating capacity exceeds 15 million square meters, and various liquid coatings can be applied to the inner wall of the steel pipe, and the outer wall is coated with three layers of polyethylene/polypropylene (3PE/PP), two layers of polyethylene/polypropylene (2PE/PP), single layer Layer/double-layer/three-layer sintered epoxy powder (FEB/2FEB/3FBE), and other outer coatings for anti-corrosion processing and inspection.
    The company has established a complete ISO9001 quality management system and HSE environmental management system, and has been operating effectively.
    The company constantly summarizes scientific theories in the practice of anti-corrosion technology, and under the guidance of scientific and technological principles, through large-scale investment, it continuously improves the quality level of products and develops new materials, new processes and new products. Strive to make the company become a first-class enterprise of anti-corrosion materials and products for oil pipes, and repay the society. Relying on technology for development and quality for survival, we are willing to cooperate with domestic and foreign counterparts for common development and create a new situation in oil and gas development and pipeline construction.

    主站蜘蛛池模板: 狠狠色综合久久婷婷| 伊人久久大香线蕉成人综合网| 超碰人人干| 99久久亚洲综合国产一区| 国产中文字幕精品视频| 一本色道久久综合网| 免费又大粗又爽又黄少妇毛片| 尤物视频免费在线观看 | 亚洲国产精品无码专区影院 | 亚洲a∨无码一区二区三区 | 国产精品亚洲欧美云霸高清| 国产精品白浆无码流出| 40分钟永久免费又黄又粗| 日本中文一二区有码在线| 国产精品区一区二区三在线播放| 大陆老熟女露脸对白视频| 精品一区二区三区在线视频| 欧美日韩一二| 中日韩欧美成人免费播放| 国产综合色在线视频播放线视| 亚洲美女av一区二区| 国产丝袜美腿诱惑在线观看| 肉大捧一进一出免费视频| 337p人体粉嫩胞高清图片| 日韩亚洲AV无码一区二区不卡| 美女张开腿让男人捅的视频| 国产不卡免费一区二区| 无码爆乳超乳中文字幕在线| 中文字幕日韩精品国产| 欧美精品黄页在线观看大全 | 亚洲swag精品自拍一区| 免费av在线天堂播放| 国产一级二级三级毛片| 天堂在线最新版资源| 久久精品亚洲中文字幕乱码| 在线天堂av一区二区| 国产三级黄色日皮视频| 福利成人午夜国产一区 | 欧美成人看片黄a免费看| 国产乱子精品一区二区在线观看| 久久99国产精品成人欧美|