亚洲国产精品成人久久66,98久久精品人人妻人人搡,www.AV蜜桃

ABOUT US
Shengli Xinda New Materials Co., Ltd. is one of the top three comprehensive strength enterprises announced by the China Composite Materials Industry Association, recognized by the Ministry of Industry and Information Technology as the champion of the composite material science oil pipeline industry, a national intellectual property demonstration enterprise, and an award-winning unit of the 5th Dongying City Mayor's Quality Award. It has a CNAS nationally recognized laboratory, a provincial-level demonstration engineering technology research center, an engineering technology center, and an enterprise technology center Provincial level scientific and technological innovation platforms such as postdoctoral innovation funding bases.
Corporate Video
OUR FOOTPRINT
  • Pipeline class Container class Squeezing and pulling type Molded type Vacuum forming and RTM products Fabric and prepreg Oilfield mechanical production system Oilfield surface system
  • Underground anti-corrosion products Ground pipe anti-corrosion products Anti corrosion products for sucker rods Pipeline repair
BOUTIQUE CASES
NEWS CENTER
PARTNER
影音先锋秋霞在线影院 亚洲精品一区二区不卡 三级片s色国产视频精品 欧美精品一区二区亚洲蜜臀 精品卡一卡二卡3卡高清乱码 欧美黑人又粗又大高潮喷水
真人作爱视频免费网站 亲胸吻胸添奶头GIF动态图免费 you zijj.com/ 国产真人性做爰视频免费40分钟 亚洲成人一区 一牛 69一区二三区好的精华
日本五十路有码中文中出 国产精品福利在线播放 w.miya188.cnn网 双飞在线公开成人视频 老头添女荫道口视频免费 色噜噜狠狠一区二区三区果冻